Keio University

Published papers

Takao, Ken-ichi

101-120 items (total 120)

Convergent Total Synthesis of Epolactaene: Application of Bridgehead Oxiranyl Anion Strategy

Author
Kouji Kuramochi, Seigo Nagata, Hideyoshi Itaya, Ken-ichi Takao, Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 7371-7374 (Publication Date)1999/10)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Generation and Reaction of an Oxiranyl Anion Derived from a.b-Epoxy-g-butyrolactone

Author
Kouji Kuramochi, Hideyoshi Itaya, Seigo Nagata, Ken-ichi Takao, Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 7367-7370 (Publication Date)1999/10)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Synthetic Study of Akaterpin: Determination of the Relative Stereochemistry of the Upper Decalin Moiety with Disulfated Hydroquinone

Author
Nobuyuki Kawai, Ken-ichi Takao, Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 4193-4196 (Publication Date)1999/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Biological Activities of 1,1,6-Trisubstituted Indanes: Beyond Magainin 2

Author
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
Publication Title
Magazine name Biol. Pharm. Bull. Start Page 73-75 (Publication Date)1999/01)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

D-グルコースを出発物質としたセスキテルペノイド類の合成研究ー(+)-エレマントリドAと(-)-ベルカロールの全合成ー

Author
高尾賢一,石原 淳,只野金一
Publication Title
Start Page 1026-1035 (Publication Date)1998/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Synthetic Studies of Zoanthamine/Norzoanthamine Alkaloids: Construction of the Heterocyclic Aminal Core (CDEFG Ring)

Author
Naotsuka Hikage, Hironori Furukawa, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 6241-6244 (Publication Date)1998/08)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Synthetic Studies of Zoanthamine/Norzoanthamine Alkaloids: Advanced Intermediate for the Heterocyclic Aminal Core

Author
Naotsuka Hikage, Hironori Furukawa, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 6237-6240 (Publication Date)1998/08)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Glycosyl 2-Pyridinecarboxylate as an Effective Glycosyl Donor: Glycosidation of Mannose, 2-Azidosugar, and 2-Deoxysugar into Disaccharides

Author
Hironori Furukawa, Kazunori Koide, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Chem. Pharm. Bull. Start Page 1244-1247 (Publication Date)1998/08)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Model Study for the Total Synthesis of Antifungal Australifungin: Construction of a-Diketone and b-Ketoaldehyde Moieties

Author
Ken-ichi Takao, Seigo Nagata, Susumu Kobayashi, Hisanaka Ito, and Takeo Taguchi
Publication Title
Magazine name Chem. Lett. Start Page 447-448 (Publication Date)1998/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Structurally Simplified Zaragozic Acid (Squalestatin): Stereoselective Preparation of a 3,4-Unsubstituted Derivative

Author
Hisanaka Ito, Miyoko Matsumoto, Takeshi Yoshizawa, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 9009-9012 (Publication Date)1997/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Antibacteral Activity of (+/-)-6-Benzyl-1-(3-carboxypropyl)-indane; A Possible Way to Identify Leading Novel Anti-H. pylori Agents

Author
Naganori Numao, Yukiko Hirota, Akiyo Iwahori, Masanori Sasatsu, Isamu Kondo, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Biol. Pharm. Bull. Start Page 1204-1207 (Publication Date)1997/11)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Synthetic Study on Antitumor Antibiotic Terpentecin: Construction of the Carbobicyclic Decalin Moiety

Author
Ken-ichi Takao and Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 6685-6688 (Publication Date)1997/09)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Synthesis of 2-O-(3-O-Carbamoyl-a-D-mannopyranosyl)-L-gulopyranose: Sugar Moiety of Antitumor Antibiotic Bleomycin

Author
Tetsuta Oshitari, Masakatsu Shibasaki, Takeshi Yoshizawa, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Start Page 10993-11006 (Publication Date)1997/08)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Stereoselective Route to the Highly Oxidated Sidechain Moiety of Terpentecin and Related Antibiotics

Author
Ken-ichi Takao, Yasuyuki Aiba, Hisanaka Ito, and Susumu Kobayashi
Publication Title
Magazine name Chem. Lett. Start Page 931-932 (Publication Date)1996/11)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Enantioselective Synthesis of Curacin A. 2. Total Synthesis of Curacin A by Condensation of C1-C7, C8-C17, and C18-C22 Segments

Author
Hisanaka Ito, Nobuyuki Imai, Ken-ichi Takao, and Susumu Kobayashi
Publication Title
Magazine name Tetrahedron Lett. Start Page 1799-1800 (Publication Date)1996/03)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Novel Total Synthesis of (+)-Eremantholide A

Author
Ken-ichi Takao, Hiroshi Ochiai, Ken-ichi Yoshida, Takahiko Hashizuka, Hirokazu Koshimura, Kin-ichi Tadano, and Seiichiro Ogawa
Publication Title
Magazine name J. Org. Chem. Start Page 8179-8193 (Publication Date)1995/12)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A Total Synthesis of (+)-Eremantholide A

Author
Ken-ichi Takao, Hiroshi Ochiai, Takahiko Hashizuka, Hirokazu Koshimura, Kin-ichi Tadano, and Seiichiro Ogawa
Publication Title
Magazine name Tetrahedron Lett. Start Page 1487-1490 (Publication Date)1995/02)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Stereoselective Total Syntheses of (-)-Desoxoprosopinine and (-)-Desoxoprosophylline: Palladium(0)-Catalyzed Intramolecular N-Alkylation for the Key Piperidine Ring Formation

Author
Ken-ichi Takao, Yuya Nigawara, Emiko Nishino, Izumi Takagi, Koji Maeda, Kin-ichi Tadano, and Seiichiro Ogawa
Publication Title
Magazine name Tetrahedron Start Page 5681-5704 (Publication Date)1994/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Stereoselective Total Syntheses of (-)-Desoxoprosopinine and (-)-Desoxoprosophylline: Palladium(0)-Catalyzed Intramolecular N-Alkylation for the Key Piperidine Ring Formation

Author
Kin-ichi Tadano, Ken-ichi Takao, Yuya Nigawara, Emiko Nishino, Izumi Takagi, Koji Maeda, and Seiichiro Ogawa
Publication Title
Magazine name Synlett Start Page 565-567 (Publication Date)1993/08)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Intramolecular Aldol Condensation Applied to D-Glucose-derived d-Ketoaldehydes

Author
Kin-ichi Tadano, Satoshi Kanazawa, Ken-ichi Takao, and Seiichiro Ogawa
Publication Title
Magazine name Tetrahedron Start Page 4283-4300 (Publication Date)1992/05)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With