73735-36-1Relevant articles and documents
CATALYTIC SYSTEMS FOR STEREOSELECTIVE SYNTHESIS OF CHIRAL AMINES BY ENANTIODIVERGENT RADICAL C-H AMINATION
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Paragraph 0201; 0242-0243; 0250, (2020/11/27)
In one aspect, the disclosure relates to a mode of asymmetric induction in radical processes based on sequential combination of enantiodifferentiative H-atom abstraction and stereoretentive radical substitution. Also disclosed is an asymmetric system for stereoselective synthesis of strained 5-membered cyclic sulfamides via radical 1,5-C—H amination of sulfamoyl azides. The disclosed metalloradical system can control the degree and sense of asymmetric induction in the catalytic radical C—H amination in a systematic manner. The disclosed system is applicable to a broad scope of substrates with different types of C(sp3)-H bonds and exhibits reactivity and selectivity, providing access to both enantiomers of useful 5-membered cyclic sulfamides in a highly enantioenriched form. Also disclosed are catalysts useful in these processes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
A new compound and its preparation method (by machine translation)
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, (2016/10/09)
The invention provides a new compound and a preparation method thereof. The compound is a new impurity of venlafaxine, and particularly is (+/-)-1-{2-[(4-methoxy phenyl ethyl) (methyl) amino]-1-(4-methoxy phenyl) ethyl} cyclohexanol. The compound and the preparation method thereof provide support for more accurate control of impurities in venlafaxine and acquisition of venlafaxine which is more safe and reliable and has a definite curative effect.
HETEROCYCLIC CARBOXYLIC ACIDS AS ACTIVATORS OF SOLUBLE GUANYLATE CYCLASE
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Paragraph 0427-0428, (2016/02/18)
The present invention relates to compounds of formula I: and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, R5, R6, R7, R8, R9, B, V, W, X, Y, Z and m are as defined herein. The invention also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.