One-pot synthesis of ortho-hydroxycinnamate esters
摘要:
Phenols are converted to salicylaldehydes with paraformaldehyde, MgCl2-Et3N in THF, and subsequent treatment with methyl (triphenylphosphorinylidene)acetate gave the corresponding methyl ortho-hydroxycinnamate derivatives. The sequence is conveniently carried out as a one-pot procedure. (c) 2005 Elsevier Ltd. All rights reserved.
Novel 1-Benzyl-4-Piperidinamines that are Useful in the Treatment of COPD and Asthma
申请人:Hemmerling Martin
公开号:US20100081692A1
公开(公告)日:2010-04-01
The invention provides 1-benzyl-4-piperidinamines of the general formula (I), processes for their preparation, pharmaceutical compositions containing them and their use in therapy. The compounds are useful in the treatment of respiratory diseases such as chronic obstructive pulmonary disease and asthma. The compounds are inhibitors of the CCR1 receptor.
Harikrishna, G.; Hariprasad, K. Siva; Raju, B. China, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2021, vol. 60, # 1, p. 111 - 116
作者:Harikrishna, G.、Hariprasad, K. Siva、Raju, B. China、Tiwari, A. K.、Zehra, A.
DOI:——
日期:——
One-pot synthesis of ortho-hydroxycinnamate esters
作者:Hany F. Anwar、Lars Skattebøl、Jan Skramstad、Trond Vidar Hansen
DOI:10.1016/j.tetlet.2005.06.017
日期:2005.8
Phenols are converted to salicylaldehydes with paraformaldehyde, MgCl2-Et3N in THF, and subsequent treatment with methyl (triphenylphosphorinylidene)acetate gave the corresponding methyl ortho-hydroxycinnamate derivatives. The sequence is conveniently carried out as a one-pot procedure. (c) 2005 Elsevier Ltd. All rights reserved.
Synthesis of Coumarins in a Moltenn-Bu4NOAc/n-Bu4NBr Mixture through a Domino Heck Reaction/Cyclization Process
4-Arylcoumarins can be prepared in good to high yields by reacting readily available methyl or butyl 3-(o-hydroxyaryl)acrylates with aryl iodides and bromides in an n-Bu4NOAc/n-Bu4NBr mixture at 100 °C in the presence of Pd(OAc)2.