71444-31-0Relevant academic research and scientific papers
Chiral base-catalyzed aldol reaction of trimethoxysilyl enol ethers: Effect of water as an additive on stereoselectivities
Orito, Yuya,Hashimoto, Shunichi,Ishizuka, Tadao,Nakajima, Makoto
, p. 390 - 400 (2007/10/03)
An aldol reaction of trimethoxysilyl enol ether catalyzed by lithium binaphtholate is described. The aldol reaction of trimethoxysilyl enol ether derived from cyclohexanone under anhydrous conditions predominantly afforded the anti-aldol adduct with moder
Enantioselective aldol reaction of trimethoxysilyl enol ether catalyzed by lithium binaphtholate
Nakajima, Makoto,Orito, Yuya,Ishizuka, Tadao,Hashimoto, Shunichi
, p. 3763 - 3765 (2007/10/03)
(Chemical Equation Presented) An aldol reaction of trimethoxysilyl enol ether catalyzed by lithium binaphtholate, in which water serves as an additive and plays a pivotal role in stereoselectivities, was developed. This is the first example of an aldol re
BINAP/AgOTf/KF/18-crown-6 as new bifunctional catalysts for asymmetric Sakurai-Hosomi allylation and Mukaiyama aldol reaction
Wadamoto, Manabu,Ozasa, Nobuko,Yanagisawa, Akira,Yamamoto, Hisashi
, p. 5593 - 5601 (2007/10/03)
A catalytic amount of KF·18-crown-6 complex is effective as a soluble fluoride source to activate an asymmetric Sakurai-Hosomi allylation with BINAP and silver(I) triflate catalyst. The allylation of a variety of aromatic, α,β-unsaturated and aliphatic al
Lewis base-promoted aldol reaction of dimethylsilyl enolates in aqueous dimethylformamide: Use of calcium chloride as a Lewis base catalyst
Miura, Katsukiyo,Nakagawa, Takahiro,Hosomi, Akira
, p. 536 - 537 (2007/10/03)
In the presence of CaCl2, dimethylsilyl (DMS) enolates smoothly reacted with aldehydes under mild conditions to give aldol adducts in good to high yields. The catalytic activities of various metal and tetrabutylammonium salts have revealed that CaCl2 works as a Lewis base catalyst to activate DMS enolates. The CaCl2-promoted reaction proceeded even in the presence of water or in pure water. This catalytic system was applicable to the aldol reaction with aqueous aldehydes such as formalin. Copyright
