Reduction of carboxylic esters to ethers with triethyl silane in the combined use of titanium tetrachloride and trimethylsilyl trifluoromethanesulfonate
摘要:
Aliphatic acyclic and cyclic ethers are prepared on treatment of their corresponding carboxylic esters and lactones with triethylsilane in the presence of titanium tetrachloride and trimethylsilyl trifluoromethanesulfonate. (C) 2001 Elsevier Science Ltd. All rights reserved.
[EN] MTORC MODULATORS AND USES THEREOF<br/>[FR] MODULATEURS DE MTORC ET LEURS UTILISATIONS
申请人:AEOVIAN PHARMACEUTICALS INC
公开号:WO2020154447A1
公开(公告)日:2020-07-30
Novel rapamycin analogs and uses thereof are disclosed herein. The rapamycin analogs of the present disclosure show increased mTORC1 specificity and lowered mTORC2 specificity relative to rapamycin.
Ramart-Lucas; Hoch, Annales de Chimie (Cachan, France), 1932, vol. <10> 17, p. 207,244
作者:Ramart-Lucas、Hoch
DOI:——
日期:——
NOVEL PROCESS
申请人:Gore Vinayak G.
公开号:US20080262267A1
公开(公告)日:2008-10-23
The present invention relates to processes for the preparation of 4-hydroxy-α′-[[[6-(4-phenylbutoxy)hexyl]amino]methyl]-1,3-benzenedimethanol 1-hydroxy-2-naphthoate (salmeterol xinafoate) (12a), the preparation of 4-hydroxy-α′-[[[6-(4-phenylbutoxy)hexyl]amino]methyl]-1,3-benzenedimethanol (salmeterol) (11), the preparation of protected N-[6-(4-phenylbutoxy)hexyl]amine intermediates (7), and the preparation of 6-substituted (4-phenylbutoxy)hexane intermediates (5), shown below, wherein X is a leaving group and Pg is a protecting group.
Ink contains at least one of a compound represented by the following chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, or a compound represented by chemical formula 4.
Ink contains at least one of a compound represented by the following chemical formula 1, a compound represented by chemical formula 2, a compound represented by chemical formula 3, or a compound represented by chemical formula 4.