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Briarane-type diterpenoids from the Okinawan soft coral Pachyclavularia violacea.
Four new briarane-type diterpenoids, pachyclavulides A (1), B (2), C (3), and D (4), were isolated from the Okinawan soft coral Pachyclavularia violacea. The structures of these compounds wereExpand
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A synthetic study of briarane-type marine diterpenoid, pachyclavulide B
Enantioselective preparation of the six-membered ring of pachyclavulide B, a briarane-type diterpenoid, was achieved. The key step is desymmetrization of an achiral symmetric substrate byExpand
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Total synthesis of the proposed structure of a polyketide from Phialomyces macrosporus.
Total synthesis of the proposed structure of a polyketide isolated from Phialomyces macrosporus is described. The synthesis involved chemoselective epoxidation, regioselective epoxide ring opening,Expand
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Asymmetric Claisen rearrangement
Development of the asymmetric Claisen rearrangement is one of the challenging tasks in synthetic organic chemistry. There have been numerous reports of the asymmetric Claisen rearrangement based onExpand
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Enantioselective total synthesis of (+)-tricycloclavulone.
The first total synthesis of (+)-tricycloclavulone having a unique tricyclo[5,3,0,01,4]decane skeleton and six chiral centers was achieved in a highly stereoselective manner. It includes a catalyticExpand
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A stereoselective preparation of 1-fluorocyclopropane-1-carboxylate derivatives through radical addition of fluoroiodoacetate to alkenes followed by intramolecular substitution reaction
Abstract Triethylborane mediated iodine atom-transfer radical addition of fluoroiodoacetate to 1-alkene or cyclic alkene proceeded in a good yield to give the α-fluoro-γ-iodo esters inExpand
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