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Thermostable alkaline cellulase from an alkaliphilic isolate, Bacillus sp. KSM-S237
Abstract Thermostable alkaline cellulase (endo-1,4-β-glucanase, EC activity was detected in the culture medium of a strictly alkaliphilic strain of Bacillus, designated KSM-S237. This novelExpand
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Carbonylation of hydrocarbons and alcohols by cationic metal carbonyl catalysts
Abstract tert -Carbocations, which were formed from hydrocarbons and alcohols, react with CO in the presence of catalytic amounts of Cu(CO) n + to give, following a workup with water tert -carboxylicExpand
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Lipase-Catalyzed Esterification of Triterpene Alcohols and Phytosterols with Oleic Acid
Oleic acid esters of phytosterols (PSs) and triterpene alcohols (TAs), derived from rice bran, were synthesized using lipases under mild conditions. Some lipases, especially from Candida rugosa, typeExpand
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Significant acceleration of 6 pi-azaelectrocyclization resulting from a remarkable substituent effect and formal synthesis of the ocular age pigment A2-E by a new method for substituted pyridine
The remarkable acceleration of 6 pi-azaelectrocyclization due to the combination of the C4-carbonyl and the C6-alkenyl or phenyl substituents in 1-azatrienes was found. This observation wasExpand
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Development of highly stereoselective asymmetric 6pi-azaelectrocyclization of conformationally flexible linear 1-azatrienes. from determination of multifunctional chiral amines, 7-alkyl
The highly stereoselective asymmetric 6pi-azaelectrocyclization was achieved as a general synthetic method based on the reaction between the (E)-3-carbonyl-2,4,6-trienal compounds and theExpand
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Stereocontrolled total synthesis of a polyfunctional carotenoid, peridinin.
Peridinin, which was isolated from the planktonic algae dinoflagellates causing red tides, is a highly oxidized carotenoid containing an allene and a characteristic (Z)-gamma-ylidenebutenolideExpand
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Changes in kinetic parameters and total activity of midgut sucrase in the silkworm, Bombyx mori during larval-pupal-adult development.
1. 1. Developmental changes in total activity of midgut sucrase in the silkworm, Bombyx mori were determined with two separate assay systems which were prepared based on kinetic parameters of midgutExpand
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The inhibitory mechanism of bovine pancreatic phospholipase A2 by aldehyde terpenoids
Abstract We established the stereoselective synthesis of (E)-3-methoxycarbonyl-2,4,6-trienal compound A and discovered that the compound A showed more powerful inhibitory activity towardExpand
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Highly efficient stereocontrolled total synthesis of the polyfunctional carotenoid peridinin.
General Procedure All commercially available reagents were used without further purification. All solvents were used after distillation. Tetrahydrofuran (THF) and diethyl ether were refluxed over andExpand
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