generally exhibit potent antihypertensive activity. During extensive investigations aimed toward identifying K+ channelopeners having selective coronary vasodilation without potent hypotensive and tachycardiac effects, we synthesized a series of 3,4-dihydro-2H-1-benzopyran-3-ol derivatives modified at positions 2, 4, and 6 in the benzopyran ring. Initially, compounds having two methoxymethyl groups
作者:Ping Yin、Wen-Bo Ma、Yue Chen、Wen-Cai Huang、Yong Deng、Ling He
DOI:10.1021/ol902207h
日期:2009.12.3
Cyanoimidation of aldehydes using cyanamide as a nitrogen source and using NBS as an oxidant was achieved in high yields without the addition of a catalyst. The method has several advantages, including mild conditions, simple workflow, and inexpensive reagents. The reaction proceeds in a one-pot manner, giving rise to the formation of intermolecular C−N and C−O bonds. Subsequently, the substituted
Pyrimidine derivatives and their use for controlling undesired plant growth
申请人:Minn Klemens
公开号:US20100167935A1
公开(公告)日:2010-07-01
Pyrimidine derivatives and their use for controlling undesired plant growth Compounds of the formula (I)
and their use in the field of crop protection are described.
Synthesis of Aroylguanidines by an Unexpected Demethylation-Addition Cascade
作者:Zhen Guo、Qing Qi、Ling Gu、Ling He
DOI:10.1055/s-0033-1338511
日期:——
2-aminoquinazolinones derivatives from inexpensive reactants. A simple and efficient method was developed for the synthesis of N-aroyl-N′-arylguanidines under mild conditions by an unexpected demethylation–addition cascade reaction of readily available N-cyanoimidates with aryl amines. Moreover, 1-aryl-2-aminoquinazolin-4(1H)-ones and 2-(arylamino)quinazolin-4(3H)-ones can also be prepared by selective cyclization
The present invention provides a compound represented by the formula (I):
wherein
E is an optionally substituted cyclic group;
D is a carbonyl group or a sulfonyl group;
A is CH or N;
ring P is an optionally further substituted 5- to 7-membered ring;
ring Q is an optionally further substituted 5- to 7-membered nonaromatic ring; and
ring R is an optionally further substituted and optionally condensed 5- to 7-membered nonaromatic ring,
or a salt thereof. The compound of the present invention has an ACC inhibitory activity, is useful for the prophylaxis or treatment of obesity, diabetes, hypertension, hyperlipidemia, cardiac failure, diabetic complications, metabolic syndrome, sarcopenia and the like, and has superior properties in the efficacy, duration of activity, specificity, low toxicity and the like.