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ChemInform Abstract: 7,7-Dimethyl-6,8-dioxabicyclo[3.3.0]oct-3-en-2-one as a Synthetic Equivalent of Ketodicyclopentadiene: A New Route to (-)-Physostigmine, (-)-Physovenine, and (-)-Aphanorphine.

✍ Scribed by Keigo Tanaka; Takahiko Taniguchi; Kunio Ogasawara

Publisher
John Wiley and Sons
Year
2010
Weight
36 KB
Volume
32
Category
Article
ISSN
0931-7597

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ChemInform Abstract: A Novel Synthetic M
ChemInform Abstract: A Novel Synthetic Method of the (VII) (.+-.)-(3aα,8aα)-Ethyl 8β-Hydroxy-6β-methyl-2-oxooctahydro-2H-cyclohepta [b]furan-3α-carboxylate and Its Chemical Transformation to (XIII) (.+-.)-(3aα,8aα) -3α,6β-Dimethyl-3,3a,4,5,6,8a-hexahydro-2H-cyclohepta [b]furan-2-one, (+)- (XIV) and (-)- (XIV) -7β-(2-Acetoxy-1α-methylethyl) -4β-methyl-2-cyclohepten-1β-ol, and (+)- (XVII) and (-)- (XVII) -7β-(2-Acetoxy-1α-methylethyl) -4β-methyl-2-cyclohepten-1-one. Possible Common Synthetic Intermediates for Pseudoguaianolides, 4,5-Secopseudoguaianolides, Guaianolides, 4,5-Secoguaianolides, and Octalactins.
✍ F. SHIMOMA; H. KUSAKA; K. WADA; H. AZAMI; M. YASUNAMI; T. SUZUKI; H. HAGIWARA; M 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 51 KB 👁 1 views