Regioselective hydration of alkynones by palladium catalysis
作者:Katsuharu Imi、Kumiko Imai、Kiitiro Utimoto
DOI:10.1016/s0040-4039(00)96302-0
日期:1987.1
Diketones are regioselectively prepared from alkynyl ketones under mild conditions by palladium catalysis; 5-heptyn-2-one and 2-(2-nonynyl)cyclohexanone give 1,4-dikektones whereas 2-(2-heptynyl)cyclopentanone and 5,6-didehydroprostaglandin E2 methyl ester afford 1,5-diketones.
NORBORNENE-TYPE POLYMERS HAVING QUATERNARY AMMONIUM FUNCTIONALITY
申请人:Bell Andrew
公开号:US20110244368A1
公开(公告)日:2011-10-06
Embodiments of the present disclosure encompass vinyl addition and ROMP polymers having at least one type of repeating unit that encompasses a comprise N
+
(CH
3
)
3
OH
−
moiety. Other embodiments in accordance with the disclosure include alkali anion-exchange membranes (AAEMs) made from one of such polymers, anion fuel cells (AFCs) that encompass such AAEMs and components of such AFCs, other than the AAEM, that encompass one of such polymers.
Carbostyril derivatives and salts thereof and anti-arrhythmic agents containing the carbostyril derivatives
申请人:OTSUKA PHARMACEUTICAL CO., LTD.
公开号:EP0236140A2
公开(公告)日:1987-09-09
Carbostyril derivatives or salt thereof, including novel compounds, having activities for curing and/or improving arrhythmia.
Some carbostyril devitavies having similar chemical structural formula to those of carbostyril derivatives of the present invention are known in the prior art references, however, above-mentioned parmacological activities have not been known yet.