专利号:US-12410140-B2 优先权日:2020-06-19 标题:Method for synthesis of roxadustat and intermediate thereof, and intermediate thereof 发明人:ZHANG YONG; WANG GUO; YANG FEI; LIU FENGWEI; ZHOU CHUNDONG; ZHANG ZITONG 权利人:JUMPCAN SHANGHAI MEDICAL TECH CO LTD 摘要:Disclosed are a method for the synthesis of roxadustat and an intermediate thereof, and an intermediate thereof. In particular, disclosed is a method for the synthesis of compound M1, the method comprising the following steps: carrying out a reaction as shown below between compound SM and compound SM-A under the action of an oxidizing agent. The method of the present invention uses cheap and easily available raw materials, has short reaction steps, produces a high yield, has simple and convenient post-treatment procedures, and is suitable for industrial production.
专利号:WO-9507882-A1 优先权日:1993-09-14 标 题:Synthesis of amido acids from carboxylic acid esters and amino acid salts 发明人:HEINZMAN STEPHEN WAYNE; DUPONT JEFFREY SCOTT 权利人:PROCTER & GAMBLE 摘要:Chemical synthesis of amido acids, and their conversion to amido acid phenyl ester sulfonates for use as bleach activators, starting from carboxylic acid esters and amino acid salts.
专利号:US-2013316397-A1 优先权日:2012-04-30 标 题:Cell-Free Polypeptide Synthesis 发明人:AIREN ISOKEN; SWARTZ JAMES ROBERT 权利人:UNIV LELAND STANFORD JUNIOR 摘要:Methods, microbial strains and reaction mixtures for cell-free synthesis of polypeptides are provided. The methods of the invention utilize a reaction mixture comprising microbial cell extracts that are modified in the protein component relative to an extract from a native cell. The modification may be one or both of (i) increased levels of proteins that increase synthetic yield; and (ii) decreased levels of proteins that decrease synthetic yield. The modification may result from a genetic modification of the microbial cell, or from ex vivo supplementation or depletion of an extract.
专利号:US-2005027120-A1 优先权日:2003-06-02 标 题 :Method for the synthesis of amides and related products from esters or ester-like compounds 发明人:GOJON-ZORRILLA GABRIEL 权利人:REACTIMEX S A DE C V 摘要:A versatile, eco-friendly, and efficient method for the convenient conversion of esters and ester-like compounds into amides, peptides, carbamates, ureas, oxamides, oxamates, hydrazides, oxazolidinones, pyrazolones, oxazolidinediones, barbituric acids, and other molecules containing one or more OCN moieties in the presence of a diol or polyol is disclosed.
专利号:US-5849950-A 优先权日:1995-05-29 标题:Preparation of glycine-N,N-diacetic acid derivatives 发明人:GREINDL THOMAS; OFTRING ALFRED; BRAUN GEROLD; WILD JOCHEN; POTTHOFF-KARL BIRGIT; SCHUH GEORG 权利人:BASF AG 摘要:Glycine-N,N-diacetic acid derivatives I ##STR1## where R is unsubstituted or substituted alkyl, alkenyl, alkoxylate groups, phenylalkyl, phenyl, a heterocyclic ring or a radical of the formula ##STR2## where A is an alkylene bridge or a chemical bond, and M is hydrogen, alkali metal, alkaline earth metal, ammonium or substituted ammonium in the appropriate stoichiometric amounts, n are prepared by reacting n A) corresponding 2-substituted glycines or 2-substituted glycinonitriles or doubled glycines of the formula ##STR3## or doubled glycinonitriles of the formula ##STR4## or precursors of the glycine derivatives named as starting material with formaldehyde and hydrogen cyanide in aqueous medium at a pH of from 0 to 11 or n B) iminodiacetonitrile or iminodiacetic acid with appropriate monoaldehydes of the formula R--CHO or dialdehydes of the formula OHC--A--CHO and hydrogen cyanide in aqueous medium at a pH of from 0 to 11 n and, where appropriate, subsequent hydrolysis of nitrile functionalities which are present, where the starting material used comprises unpurified raw material derived from the industrial synthesis of glycine derivatives or their precursors or of iminodiacetonitrile or iminodiacetic acid, or mother liquors produced in such syntheses.
专利号:US-6559319-B2 优先权日:1998-07-10 标题 :Synthesis of compounds useful in the manufacture of ketorolac 发明人:CASKEY DOUGLAS C; DUCHEK JOHN R; BUEHLER HENRY J 权利人:MALLINCKRODT INC 摘要:A multi-step method of synthesizing ketorolac, an analgesic compound, is shown. Several of the reactions and intermediate compounds are novel. The reaction sequence begins with the known compound N-2-bromoethylpyrrole.