Publications

  1. Wataru Matsuki, So Miyazaki, Keisuke Yoshida, Akihiro Ogura, Yukiko Sasazawa, Ken-ichi Takao, and Siro Simizu,  “Synthesis and Evaluation of Biological Activities of Vibsanin A Analogs”  Bioorg. Med. Chem. Lett. 2017, 27, 4536-4539.
  2. Ken-ichi Takao, Ryuichi Nemoto, Kento Mori, Ayumi Namba, Keisuke Yoshida, and Akihiro Ogura,  “Total Synthesis and Structural Revision of Clavilactone D”  Chem. Eur. J. 2017, 23, 3828-3831.
  3. Keisuke Yoshida, Yohei Kanoko, and Ken-ichi Takao,  “Kinetically Controlled α-Selective O-Glycosylation of Phenol Derivatives Using 2-Nitroglycals by a Bifunctional Chiral Thiourea Catalyst”  Asian J. Org. Chem. 2016, 5, 1230-1236.
  4. Akihiro Sakama, Yoshiyasu Nishimura, Yuko Motohashi, Keisuke Yoshida, and Ken-ichi Takao,  “Stereoselective Construction of All-Carbon Quaternary Stereocenters by Allylboration of Chiral Aldehydes: Synthesis of a Fragment of (+)-Vibsanin A”  Tetrahedron 2016, 72, 5465-5471.
  5. Keisuke Yoshida, Hina Suzuki, Hiroki Inoue, Kohei Matsui, Yuta Fujino, Yohei Kanoko, Yukihiro Itatsu, and Ken-ichi Takao,  “Organocatalytic Regioselective Chlorosilylation of Oxirane Derivatives: Mild and Effective Insertion of Bulky Silyl Chloride by Using 4-Methoxypyridine N-Oxide”  Adv. Synth. Catal. 2016, 358, 1886-1891.
  6. Keisuke Yoshida, Yukihiro Itatsu, Yuta Fujino, Hiroki Inoue, and Ken-ichi Takao,  “Enantioselective Organocatalytic Construction of Spiroindane Derivatives by Intramolecular Friedel-Crafts-type 1,4-Addition”  Angew. Chem. Int. Ed. 2016, 55, 6734-6738.
  7. So Miyazaki, Yukiko Sasazawa, Takuma Mogi, Takehiro Suzuki, Keisuke Yoshida, Naoshi Dohmae, Ken-ichi Takao, and Siro Simizu,  “Identification of Seco-clavilactone B as a Small-molecule Actin Polymerization Inhibitor”  FEBS Lett. 2016, 590, 1163-1173.
  8. Keisuke Yoshida, Yuta Fujino, Yukihiro Itatsu, Hiroki Inoue, Yohei Kanoko, and Ken-ichi Takao,  “Amine-Free Silylation of Alcohols under 4-Methylpyridine N-Oxide-Catalyzed Conditions”  Tetrahedron Lett. 2016, 57, 627-631.
  9. Ken-ichi Takao, Shuji Noguchi, Shu Sakamoto, Mizuki Kimura, Keisuke Yoshida, and Kin-ichi Tadano,  “Total Synthesis of (+)-Cytosporolide A via a Biomimetic Hetero-Diels-Alder Reaction”  J. Am. Chem. Soc. 2015, 137, 15971-15977.
  10. Ken-ichi Takao, Kohei Tsunoda, Takuya Kurisu, Akihiro Sakama, Yoshiyasu Nishimura, Keisuke Yoshida, and Kin-ichi Tadano,  “Total Synthesis of (+)-Vibsanin A”  Org. Lett. 2015, 17, 756-759.
  11. Satoka Nagai, Yuka Yamagishi, Yuta Shimizu, Ken-ichi Takao, and Kin-ichi Tadano,  “An Access to the 13-Membered Cyclophane Substructure in GKK1032As: An Intramolecular 1,4-Addition Approach”  Heterocycles 2015, 90, 819-826.
  12. Keisuke Yoshida and Ken-ichi Takao,  “Catalytic Silylation of Secondary Alcohols by Pyridine N-Oxide Derivative”  Tetrahedron Lett. 2014, 55, 6861-6863.
  13. Ken-ichi Takao, Ryuki Nanamiya, Yuuki Fukushima, Ayumi Namba, Keisuke Yoshida, and Kin-ichi Tadano,  “Total Synthesis of (+)-Clavilactone A and (-)-Clavilactone B by Ring-Opening/Ring-Closing metathesis”  Org. Lett. 2013, 15, 5582-5585.
  14. Shu Sasaki, Suguru Samejima, Tomoki Uruga, Kai Anzai, Natsumi Nishi, Eriko Kawakita, Ken-ichi Takao, and Kin-ichi Tadano,  “Synthetic Studies of the Spirocyclic Cyclohexene Part of Versipelostatin, a Novel GRP78/Bip Molecular Chaperone Downregulator”  J. Antibiot. 2013, 66, 147-154.
  15. Ken-ichi Takao, Tomo Miyashita, Nozomi Akiyama, Takuya Kurisu, Kohei Tsunoda, and Kin-ichi Tadano,  “Construction of All-Carbon Quaternary Stereocenters by Zinc-Mediated Barbier-Type Allylation in Aqueous Media”  Heterocycles 2012, 86, 147-153.
  16. Ken-ichi Takao, Shu Sakamoto, Marianne Ayaka Touati, Yusuke Kusakawa, and Kin-ichi Tadano,  “Asymmetric Construction of All-Carbon Quaternary Stereocenters by Chiral-Auxiliary-Mediated Claisen Rearrangement and Total Synthesis of (+)-Bakuchiol”  Molecules 2012, 17, 13330-13344.
  17. Hayato Hosoi, Nobuyuki Kawai, Hideki Hagiwara, Takahiro Suzuki, Atsuo Nakazaki, Ken-ichi Takao, Kazuo Umezawa, and Susumu Kobayashi,  “Determination of the Absolute Structure of (+)-Akaterpin”  Chem. Pharm. Bull. 2012, 60, 137-143.
  18. Hayato Hosoi, Nobuyuki Kawai, Hideki Hagiwara, Takahiro Suzuki, Atsuo Nakazaki, Ken-ichi Takao, Kazuo Umezawa, and Susumu Kobayashi,  “Synthesis and Determination of the Relative Structure of Akaterpin, a Potent Inhibitor of PI-PLC”  Tetrahedron Lett. 2011, 52, 4961-4964.
  19. Daisuke Matsumura, Toshimasa Takarabe, Takumi Toda, Takashi Hayamizu, Kiyoto Sawamura, Ken-ichi Takao, and Kin-ichi Tadano, “Total Syntheses of (+)-Spiculoic Acid A and (+)-Zyggomphic Acid, New Marine Natural Products of Polyketide Origin”  Tetrahedron 2011, 67, 6730-6745.
  20. Ken-ichi Takao, Nobuhiko Hayakawa, Reo Yamada, Taro Yamaguchi, Hiroshi Saegusa, Masatoshi Uchida, Suguru Samejima, and Kin-ichi Tadano, “Total Syntheses of (+)- and (–)-Pestalotiopsin A”  J. Org. Chem. 2009, 74, 6452-6461. 
  21. Daisuke Matsumura, Takumi Toda, Takashi Hayamizu, Kiyoto Sawamura, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (+)-Spiculoic Acid A”  Tetrahedron Lett. 2009, 50, 3356-3358.
  22. Yoko Akashi, Ken-ichi Takao, and Kin-ichi Tadano, “Stereoselective α-Alkylation of Methyl 6-Deoxy-3,4-di-O-(tert-butyldimethylsilyl)-2-O-(2-methyl-3-oxobutanoyl)-α-D-glucopyranoside”  Tetrahedron Lett. 2009, 50, 1139-1142.
  23. Daisuke Yamashita, Yoshihisa Murata, Naotsuka Hikage, Ken-ichi Takao, Atsuo Nakazaki, and Susumu Kobayashi,  “Total Synthesis of (–)-Norzoanthamine”  Angew. Chem. Int. Ed. 2009, 48, 1404-1406.
  24. Ken-ichi Takao, Yuki Kojima, Tomo Miyashita, Kentaro Yashiro, Tatsuya Yamada, and Kin-ichi Tadano,  “Enantioselective Synthesis of a 3,5,5-Trialkylated Tetronic Acid Derivative”  Heterocycles 2009, 77, 167-172.
  25. Ken-ichi Takao, Nobuhiko Hayakawa, Reo Yamada, Taro Yamaguchi, Urara Morita, Soujiro Kawasaki, and Kin-ichi Tadano,  “Total Synthesis of (–)-Pestalotiopsin A”  Angew. Chem. Int. Ed. 2008, 47, 3426-3429.
  26. Hiroto Kubo, Ikuko Kozawa, Ken-ichi Takao, and Kin-ichi Tadano  “Stereoselective Synthesis of Highly Enantioenriched 3-Methyl-2-cyclohexen-1-ones Possessing an Asymmetric Quaternary Carbon as C-4 or C-6: A Sugar Template Approach”  Tetrahedron Lett. 2008, 49, 1203-1207.
  27. Toshimi Anzo, Akari Suzuki, Kiyoto Sawamura, Toru Motozaki, Madoka Hatta, Ken-ichi Takao, and Kin-ichi Tadano  “Formal Synthesis of Tubelactomicins via a Transannular Diels–Alder Approach”  Tetrahedron Lett. 2007, 48, 8442-8448.
  28. Kiyoto Sawamura, Keigo Yoshida, Akari Suzuki, Toru Motozaki, Ikuko Kozawa, Takashi Hayamizu, Ryosuke Munakata, Ken-ichi Takao, and Kin-ichi Tadano  “Total Syntheses of Natural Tubelactomicins B, D, and E: Establishment of Their Stereochemistries” J. Org. Chem. 2007, 72, 6143-6148.
  29. Daisuke Sasaki, Daisuke Sawamoto, Ken-ichi Takao, Kin-ichi Tadano, Masayuki Okue, and Kei-ichi Ajito  “Stereoselective Mannich-like Reactions of Ester Enolates Generated on Sugar-Templates: A Novel Access to A Key Intermediate for 1β-Methyl Carbapenem Synthesis”  Heterocycles 2007, 72, 103-110.
  30. Ikuko Kozawa, Yoko Akashi, Kumiko Takiguchi, Daisuke Sasaki, Daisuke Sawamoto, Ken-ichi Takao, and Kin-ichi Tadano  “Stereoselective Double Alkylation of the Acetoacetate Ester α-Carbon on a D-Glucose-Derived Template: Application to the Synthesis of Enantiopure Cycloalkenones Bearing an Asymmetric Quaternary Carbon”  Synlett 2007, 399-402.
  31. Hiroyuki Yasui, Shun Yamamoto, Ken-ichi Takao, and Kin-ichi Tadano  “Synthetic Studies Toward Clavilactone A: A Concise Access to α,γ-Substituted γ-Butenolides by Metathesis”  Heterocycles 2006, 70, 135-141.
  32. Shi-ya, Aoki, Taro Tsukude, Yukari Miyazaki, Ken-ichi Takao, and Kin-ichi Tadano  “Total Synthesis of (–)-Pramanicin”  Heterocycles 2006, 69, 49-54.
  33. Hiroyuki Yasui, Kunihiro Hirai, Shun Yamamoto, Ken-ichi Takao, and Kin-ichi Tadano  “Total Syntheses of (+)-1893B and Its Three Diastereomers and Evaluation of Their Biological Activities”  J. Antibiot. 2006, 59, 456-463.
  34. Hiroyuki Yasui, Kunihiro Hirai, Shun Yamamoto, Ken-ichi Takao, and Kin-ichi Tadano  “Total Synthesis of (+)-1893B Aimed at Establishing Its Stereochemistry”  Heterocycles 2006, 67, 123-128.
  35. Ken-ichi Takao, Hiroshi Saegusa, Tomohiro Tsujita, Takenori Washizawa, and Kin-ichi Tadano  “Synthetic Studies of Pestalotiopsin A: Asymmetric Synthesis of the 2-Oxabicyclo[3.2.0]heptane Substructure”  Tetrahedron Lett. 2005, 46, 5815-5818.
  36. Toru Motozaki, Kiyoto Sawamura, Akari Suzuki, Keigo Yoshida, Tatsuo Ueki, Aiko Ohara, Ryosuke Munakata, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (+)-Tubelactomicin A. 2.  Synthesis of the Upper-Half Segment and Completion of the Total Synthesis”  Org. Lett. 2005, 7, 2265-2267.
  37. Toru Motozaki, Kiyoto Sawamura, Akari Suzuki, Keigo Yoshida, Tatsuo Ueki, Aiko Ohara, Ryosuke Munakata, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (+)-Tubelactomicin A. 1.  Stereoselective Synthesis of the Lower-Half Segment by an Intramolecular Diels–Alder Approach”  Org. Lett. 2005, 7, 2261-2264.
  38. Ken-ichi Takao, Hiroyuki Yasui, Shun Yamamoto, Daisuke Sasaki, Soujiro Kawasaki, Gohshi Watanabe, and Kin-ichi Tadano,  “Asymmetric Total Syntheses of (+)-Mycoepoxydiene and Related Natural Product (–)-1893A: Application of One-Pot Ring-Opening/Cross/Ring-Closing Metathesis to Construct their 9-Oxabicyclo[4.2.1]nona-2,4-diene Skeleton”  J. Org. Chem. 2004, 69, 8789-8795.
  39. Kiichiro Totani, Ken-ichi Takao, and Kin-ichi Tadano,  “Sugar as a Tool for Asymmetric Synthesis: Some Effective Approaches”  Synlett 2004, 2066-2080.
  40. Shin-ya Aoki, Takahiro Oi, Kazuya Shimizu, Ryota Shiraki, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Syntheses of Natural Pseurotins A, F2, and Azaspirene”  Bull. Chem. Soc. Jpn. 2004, 77, 1703-1716.
  41. Ryosuke Munakata, Hironori Katakai, Tatsuo Ueki, Jun Kurosaka, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of Macquarimicins Using an Intramolecular Diels–Alder Approach Inspired by a Biosynthetic Pathway”  J. Am. Chem. Soc. 2004, 126, 11254-11267.
  42. Shin-ya Aoki, Takahiro Oi, Kazuya Shimizu, Ryota Shiraki, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Syntheses of Natural Pseurotins A and F2 and Azaspirene”  Heterocycles 2004, 62, 161-166.
  43. Ryosuke Munakata, Hironori Katakai, Tatsuo Ueki, Jun Kurosaka, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (+)-Macquarimicin A”  J. Am. Chem. Soc. 2003, 125, 14722-14723.
  44. Kouji Kuramochi, Seigo Nagata, Hideyoshi Itaya, Yasuaki Matsubara, Takashi Sunoki, Hiromi Uchiro, Ken-ichi Takao, and Susumu Kobayashi,  “A Convergent Total Synthesis of Epolactaene: an Application of the Bridgehead Oxiranyl Anion Strategy”  Tetrahedron 2003, 59, 9743-9758.
  45. Shingo Asano, Testuo Tamai, Kiichiro Totani, Ken-ichi Takao, and Kin-ichi Tadano,  “Highly Stereoselective 1,4-Addition of the Enolate Generated from 6-Deoxy-D-Glucopyranoside-Derived Propionyl Ester to Methyl Crotonate: Application to Total Synthesis of (–)-Lasiol”  Synlett 2003, 2252-2254.
  46. Testuo Tamai, Shingo Asano, Kiichiro Totani, Ken-ichi Takao, and Kin-ichi Tadano,  “Highly Stereoselective [3+2] Cycloadditions of Nitrile Oxides to Methyl 4-O-Acryloyl-6-deoxy-2,3-O-(t-butyldimethylsilyl)-α-D-glucopyranoside”  Synlett 2003, 1865-1867.
  47. Sara Richter, Barbara Gatto, Daniele Fabris, Ken-ichi Takao, Susumu Kobayashi, and Manlio Palumbo,  “Clerocidin Alkylates DNA through its Epoxide Function: Evidence for a Fine Tuned Mechanism of Action”  Nucleic Acids Res. 2003, 31, 5149-5156.
  48. Shin-ya Aoki, Takahiro Ohi, Kazuya Shimizu, Ryota Shiraki, Ken-ichi Takao, and Kin-ichi Tadano,  “Stereocontrolled Synthesis of a Highly Functionalized 1,7-Dioxaspiro[4.4]nonane Derivative Related to Antibiotic Pseurotins”  Heterocycles 2002, 58, 57-61.
  49. Ken-ichi Takao, Tomohiro Tsujita, Manabu Hara, and Kin-ichi Tadano,  “Asymmetric Total Syntheses of (+)-Cheimonophyllon E and (+)-CheimonophyllalJ. Org. Chem. 2002, 67, 6690-6698.
  50. Ken-ichi Takao, Gohshi Watanabe, Hiroyuki Yasui, and Kin-ichi Tadano,  “Total Synthesis of ()-Mycoepoxydiene, a Novel Fungal Metabolite Having an Oxygen-Bridged Cyclooctadiene Skeleton”  Org. Lett. 2002, 4, 2941-2943.
  51. Takayuki Nagatsuka, Shuhei Yamaguchi, Kiichiro Totani, Ken-ichi Takao, and Kin-ichi Tadano,  “Highly Diastereoselective Diels–Alder Reactions of Acrylic Esters Incorporated into a Variety of Hexopyranosides” J. Carbohydr. Chem. 2001, 20, 519-535.
  52. Ken-ichi Takao, Tomoko Sasaki, Tomohito Kozaki, Yumiko Yanagisawa, Kin-ichi Tadano, Akira Kawashima, and Hideki Shinonaga,  “Syntheses and Absolute Stereochemistries of UPA0043 and UPA0044, Cytotoxic Antibiotics Having a p-Quinone-methide Structure”  Org. Lett. 2001, 3, 4291-4294.
  53. Kiichiro Totani, Shingo Asano, Ken-ichi Takao, and Kin-ichi Tadano,  “Highly Stereoselective α-Alkylations, 1,4-Additions, and One-pot 1,4-Addition/α-Methylations Achieved on 4-O-Acyl and 4-O-Crotonyl Derivatives of Methyl 6-Deoxy-2,3-di-O-(t-butyldimethylsilyl)-α-D-glucopyranoside”  Synlett 2001, 1772-1776.
  54. Ryosuke Munakata, Tatsuo Ueki, Hironori Katakai, Ken-ichi Takao, and Kin-ichi Tadano,  “Synthetic Study of Macquarimicins: Highly Stereoselective Construction of the AB-Ring System”  Org. Lett. 2001, 3, 3029-3032.
  55. Kiichiro Totani, Takayuki Nagatsuka, Shuhei Yamaguchi, Ken-ichi Takao, Shigeru Ohba, and Kin-ichi Tadano,  “Highly Diastereoselective 1,4-Addition of an Organocuprate to Methyl α-D-Gluco, α-D-Manno-, or α-D-Galactopyranosides Tethering an α,β-Unsaturated Ester.  Novel Asymmetric Access to β-C-Substituted Butanoic Acids”  J. Org. Chem. 2001, 66, 5965-5975.
  56. Kimiko Makino, Yohei Fujita, Ken-ichi Takao, Susumu Kobayashi, and Hiroyuki Ohshima,  “Preparation and Properties of Thermosensitive Hydrogel Microcapsules”  Colloids Surf. B 2001, 21, 259-263.
  57. Yoshikazu Suzuki, Aiko Ohara, Kenji Sugaya, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (–)-Mniopetal F, a Novel Inhibitor of RNA-directed DNA-polymerases”  Tetrahedron 2001, 57, 7291-7301.
  58. Ken-ichi Takao, Manabu Hara, Tomohiro Tsujita, Ken-ichi Yoshida, and Kin-ichi Tadano,  “Total Synthesis of (+)-Cheimonophyllon E, a Bisabolane Sesquiterpenoid”  Tetrahedron Lett. 2001, 42, 4665-4668.
  59. Takayuki Nagatsuka, Shuhei Yamaguchi, Kiichiro Totani, Ken-ichi Takao, and Kin-ichi Tadano,  “Highly Stereoselective Diels–Alder Reactions Achieved on Some Hexopyranosidic Templates”  Synlett 2001, 481-484.
  60. Ken-ichi Takao, Hiroshi Saegusa, and Kin-ichi Tadano,  “Orthoester Claisen Rearrangement of a D-Glucose-derived Spirocyclic Substrate”  J. Carbohydr. Chem. 2001, 20, 57-69.
  61. Yoshikazu Suzuki, Ryoko Nishimaki, Makoto Ishikawa, Takeshi Murata, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (–)-Mniopetal E, a Novel Biologically Intriguing Drimane Sesquiterpenoid”  J. Org. Chem. 2000, 65, 8595-8607.
  62. Nobuyuki Kawai, Yoko Fujibayashi, Seiya Kuwabara, Ken-ichi Takao, Yasuharu Ijuin, and Susumu Kobayashi,  “Synthesis of a Potential Key Intermediate of Akaterpin, Specific Inhibitor of PI-PLC”  Tetrahedron 2000, 56, 6467-6478.
  63. Naotsuka Hikage, Hironori Furukawa, Ken-ichi Takao, and Susumu Kobayashi,  “Synthetic Studies of Zoanthamine/Norzoanthamine:  Biogenetic-like One-Step Construction of the Heterocyclic Aminal Core (CDEFG Ring) from a Monocyclic Precursor”  Chem. Pharm. Bull. 2000, 48, 1370-1372.
  64. Ryosuke Munakata, Kiichiro Totani, Ken-ichi Takao, and Kin-ichi Tadano,  “Highly Stereoselective Lewis Acid Mediated Conjugate Radical Additions to Methyl α-D-Glucopyranoside Derivatives Tethering an Unsaturated Ester Moiety at C-4”  Synlett 2000, 979-982.
  65. Eiju Suzuki, Ken-ichi Takao, and Kin-ichi Tadano,  “Synthesis of an Enantiomeric 2,5-Di-(E)-propenyltetrahydrofuran-3,4-diol Derivative”  Heterocycles 2000, 52, 519-523.
  66. Ken-ichi Takao, Hiroshi Saegusa, Gohshi Watanabe, and Kin-ichi Tadano,  “Stereoselective Carbon–carbon Bond Forming Reaction of Chiral Cyclopent-2-enone and Cyclopentene-1-methanol, both Spiro-connecting a 1,2:5,6-Di-O-isopropylidene-α-D-glucofuranosyl Ring”  Tetrahedron: Asymmetry 2000, 11, 453-464.
  67. Kiichiro Totani, Takayuki Nagatsuka, Ken-ichi Takao, Shigeru Ohba, and Kin-ichi Tadano,  “Highly Stereoselective 1,4-Conjugate Addition of Organocopper Reagents to Methyl α-D-Glucopyranoside Derivatives Tethering an Unsaturated Ester Moiety at C-4 or C-6”  Org. Lett. 1999, 1, 1447-1450.
  68. Yoshikazu Suzuki, Ryoko Nishimaki, Makoto Ishikawa, Takeshi Murata, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of (–)-Mniopetal E, a Novel Biologically Intriguing Drimane Sesquiterpenoid”  Tetrahedron Lett. 1999, 40, 7835-7838.
  69. Kouji Kuramochi, Seigo Nagata, Hideyoshi Itaya, Ken-ichi Takao, and Susumu Kobayashi,  “Convergent Total Synthesis of Epolactaene:  Application of Bridgehead Oxiranyl Anion Strategy”  Tetrahedron Lett. 1999, 40, 7371-7374.
  70. Kouji Kuramochi, Hideyoshi Itaya, Seigo Nagata, Ken-ichi Takao, and Susumu Kobayashi,  “Generation and Reaction of an Oxiranyl Anion Derived from α,β-Epoxy-γ-butyrolactone”  Tetrahedron Lett. 1999, 40, 7367-7370.
  71. Nobuyuki Kawai, Ken-ichi Takao, and Susumu Kobayashi,  “Synthetic Study of Akaterpin:  Determination of the Relative Stereochemistry of the Upper Decalin Moiety with Disulfated Hydroquinon”  Tetrahedron Lett. 1999, 40, 4193-4196.
  72. Naganori Numao, Yukiko Hirota, Akiyo Iwahori, Shun-ichi Kidokoro, Masanori Sasatsu, Isamu Kondo, Sachiko Itoh, Etsuko Itoh, Tadashi Katoh, Noriko Shimozono, Akiko Yamazaki, Ken-ichi Takao, and Susumu Kobayashi,  “Biological Activities of 1,1,6-Trisubstituted Indanes:  Beyond Magainin 2”  Biol. Pharm. Bull. 1999, 22, 73-75.
  73. Naotsuka Hikage, Hironori Furukawa, Ken-ichi Takao, and Susumu Kobayashi,  “Synthetic Studies of Zoanthamine/Norzoanthamine Alkaloids:  Construction of the Heterocyclic Aminal Core (CDEFG Ring)”  Tetrahedron Lett. 1998, 39, 6241-6244.
  74. Naotsuka Hikage, Hironori Furukawa, Ken-ichi Takao, and Susumu Kobayashi,  “Synthetic Studies of Zoanthamine/Norzoanthamine Alkaloids:  Advanced Intermediate for the Heterocyclic Aminal Core”  Tetrahedron Lett. 1998, 39, 6237-6240.
  75. Hironori Furukawa, Kazunori Koide, Ken-ichi Takao, and Susumu Kobayashi,  “Glycosyl 2-Pyridinecarboxylate as an Effective Glycosyl Donor:  Glycosidation of Mannose, 2-Azidosugar, and 2-Deoxysugar into Disaccharides”  Chem. Pharm. Bull. 1998, 46, 1244-1247.
  76. Ken-ichi Takao, Seigo Nagata, Susumu Kobayashi, Hisanaka Ito, and Takeo Taguchi,  “Model Study for the Total Synthesis of Antifungal Australifungin:  Construction of α-Diketone and β-Ketoaldehyde Moieties”  Chem. Lett. 1998, 447-448.
  77. Hisanaka Ito, Miyoko Matsumoto, Takeshi Yoshizawa, Ken-ichi Takao, and Susumu Kobayashi,  “Structurally Simplified Zaragozic Acid (Squalestatin):  Stereoselective Preparation of a 3,4-Unsubstituted Derivative”  Tetrahedron Lett. 1997, 38, 9009-9012.
  78. Naganori Numao, Yukiko Hirota, Akiyo Iwahori, Masanori Sasatsu, Isamu Kondo, Ken-ichi Takao, and Susumu Kobayashi,  “Antibacteral Activity of ()-6-Benzyl-1-(3-carboxypropyl)-indane;  A Possible Way to Identify Leading Novel Anti-H. pylori Agents”  Biol. Pharm. Bull. 1997, 20, 1204-1207.
  79. Ken-ichi Takao and Susumu Kobayashi,  “Synthetic Study on Antitumor Antibiotic Terpentecin:  Construction of the Carbobicyclic Decalin Moiety”  Tetrahedron Lett. 1997, 38, 6685-6688.
  80. Tetsuta Oshitari, Masakatsu Shibasaki, Takeshi Yoshizawa, Ken-ichi Takao, and Susumu Kobayashi, “Synthesis of 2-O-(3-O-Carbamoyl-α-D-mannopyranosyl)-L-gulopyranose: Sugar Moiety of Antitumor Antibiotic Bleomycin”  Tetrahedron 1997, 53, 10993-11006.
  81. Ken-ichi Takao, Yasuyuki Aiba, Hisanaka Ito, and Susumu Kobayashi,  “Stereoselective Route to the Highly Oxidated Sidechain Moiety of Terpentecin and Related Antibiotics”  Chem. Lett. 1996, 931-932.
  82. Hisanaka Ito, Nobuyuki Imai, Ken-ichi Takao, and Susumu Kobayashi,  “Enantioselective Synthesis of Curacin A. 2.  Total Synthesis of Curacin A by Condensation of C1-C7, C8-C17, and C18-C22 Segments”  Tetrahedron Lett. 1996, 37, 1799-1800.
  83. Ken-ichi Takao, Hiroshi Ochiai, Ken-ichi Yoshida, Takahiko Hashizuka, Hirokazu Koshimura, Kin-ichi Tadano, and Seiichiro Ogawa,  “Novel Total Synthesis of (+)-Eremantholide A”  J. Org. Chem. 1995, 60, 8179-8193.
  84. Ken-ichi Takao, Hiroshi Ochiai, Takahiko Hashizuka, Hirokazu Koshimura, Kin-ichi Tadano, and Seiichiro Ogawa,  “A Total Synthesis of (+)-Eremantholide A”  Tetrahedron Lett. 1995, 36, 1487-1490.
  85. Ken-ichi Takao, Yuya Nigawara, Emiko Nishino, Izumi Takagi, Koji Maeda, Kin-ichi Tadano, and Seiichiro Ogawa,  “Stereoselective Total Syntheses of (–)-Desoxoprosopinine and (–)-Desoxoprosophylline: Palladium(0)-Catalyzed Intramolecular N-Alkylation for the Key Piperidine Ring Formation”  Tetrahedron 1994, 50, 5681-5704.
  86. Kin-ichi Tadano, Ken-ichi Takao, Yuya Nigawara, Emiko Nishino, Izumi Takagi, Koji Maeda, and Seiichiro Ogawa,  “Stereoselective Total Syntheses of (–)-Desoxoprosopinine and (–)-Desoxoprosophylline: Palladium(0)-Catalyzed Intramolecular N-Alkylation for the Key Piperidine Ring Formation”  Synlett 1993, 565-567.
  87. Kin-ichi Tadano, Satoshi Kanazawa, Ken-ichi Takao, and Seiichiro Ogawa,  “Intramolecular Aldol Condensation Applied to D-Glucose-derived δ-Ketoaldehydes” Tetrahedron 1992, 48, 4283-4300.

 Reviews

  1. Ken-ichi Takao and Kin-ichi Tadano,  “Recent Advances in the Synthetic Studies of Pestalotiopsin A and Related Caryophyllene-Type Sesquiterpenoids”  In Studies in Natural Products Chemistry; Atta-ur-Rahman, Ed.; Elsevier: Amsterdam, 2013; Vol. 39, pp 161-187.
  2. Ken-ichi Takao and Kin-ichi Tadano,  “Synthesis of Nitrogen- and Oxygen-Bridged Seven- to Ten-Membered Carbocycles Using Metathesis Reactions”  Heterocycles 2010, 81, 1603-1629.
  3. Ken-ichi Takao, Ryosuke Munakata, and Kin-ichi Tadano,  “Recent Advances in Natural Product Synthesis by Using Intramolecular Diels–Alder Reactions”  Chem. Rev. 2005, 105, 4779-4807.
  4. Yoshikazu Suzuki, Ken-ichi Takao, and Kin-ichi Tadano,  “Total Synthesis of Biologically Intriguing Drimane-Type Sesquiterpenoids via Intramolecular Diels–Alder Approaches”  In Studies in Natural Products Chemistry; Atta-ur-Rahman, Ed.; Elsevier: Amsterdam, 2003; Vol. 29, pp 127-167.
  5. Ken-ichi Takao, Jun Ishihara, and Kin-ichi Tadano,  “Total Syntheses of (+)-Eremantholide A and (–)-Verrucarol: From D-Glucose to Biologically Intriguing Sesquiterpenes”  In Studies in Natural Products Chemistry; Atta-ur-Rahman, Ed.; Elsevier: Amsterdam, 2000; Vol. 24, pp 3-51.