CAS: 73246-45-4; (S)-Methyl 2-Chloropropanoate

相似化合物

19210-21-0 29617-66-1 7474-05-7

上下游产品

CAS号27871-49-4 L-乳酸甲酯 | CAS号17639-93-9 2-氯丙酸甲酯 | CAS号7474-05-7 (R)-(+)-2-氯丙酸 | CAS号18107-18-1 (三甲硅烷)重氮甲烷 | CAS号80-63-7 2-氯丙烯酸甲酯 | CAS号67-56-1 甲醇 | CAS号29617-66-1 (S)-(-)-2-氯丙酸 | CAS号186581-53-3 重氮甲烷 | CAS号17392-83-5 D-乳酸甲酯 | CAS号79-33-4 L-(+)-乳酸 | CAS号29617-66-1 (S)-(-)-2-氯丙酸 | CAS号67-56-1 甲醇 | CAS号95977-29-0 氟吡禾灵 | CAS号40058-87-5 2-氯丙酸异丙酯

(R)-(+)-2-氯丙酸甲酯置于六甲基氯胍体系中,化学反应生成 (S)-(-)-2-氯丙酸甲酯
参考文献:用氯化六烷基胍盐鎓盐分解2-(氯羰氧基氧基)丙酸甲酯来光学合成2-氯丙酸甲酯
标题:用氯化六烷基胍盐鎓盐分解2-(氯羰氧基氧基)丙酸甲酯来光学合成2-氯丙酸甲酯
摘要:证实在氯化六烷基胍盐酸盐存在下,S-(-)-2-(氯羰氧基氧基)丙酸甲酯的分解对应于第二级亲核取代.然而,通过催化剂与r-(+)-2-氯丙酸甲酯(i)之间的接触而发生外消旋化.该现象也是由催化剂的氯离子与(i)的氯原子之间的交换也根据sn 2机理引起的.
DOI:10.1016/s0040-4020(02)00797-4

专利信息

专利号:US-8759584-B2
优先权日:2007-12-14
标 题 :Synthesis of biguanidines and triazines, and biguanidino-aluminium complexes as intermediates
发明人：FORD MARK JAMES
权利人:FORD MARK JAMES; BAYER CROPSCIENCE AG
摘要:Compounds of formula (I) or salts thereof, n nin which R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , X and Y are defined as in claim 1 , can be prepared by a process characterized in that a compound of the formula (II) or a salt thereof,n n nis reacted to a compound of the formula (III) or a salt thereof,n n nand an aluminium(III) source, optionally, in the presence of a protic additive or solvent selected from the group consisting of alcohols or amines.n n The compounds (I) are suitable to be used for the preparation of heterocyclic compounds corresponding to (I) where the group Al(X)(Y) is replaced with an optionally substituted carbon atom, or s-triazine derivatives thereof.

专利号:US-12286399-B2
优先权日:2023-01-29
标 题:Synthesis of (R)(+)-2-(4-chloro-2-methyl phenoxy)propanoic acid in high enantiomeric excess
发明人：PATEL-FRAMROZE BOMI
权利人:PATEL FRAMROZE BOMI
摘要:Provided herein is a process to react optical active chloroalkyl acid alkyl ester and substituted phenols in an aromatic solvent in the presence of a catalytic quantity of a quaternary ammonium salt to yield an optically active substituted phenoxy alkyl acid.

专利号:US-11352311-B1
优先权日:2021-06-27
标题:Single-step stereospecific synthesis of (S)-2-chloropropionic acid alkyl ester
发明人：PATEL-FRAMROZE BOMI
权利人:PATEL FRAMROZE BOMI
摘要:Provided herein is a process to react optically pure alkyl lactates with thionyl chloride in the presence of a catalytic amount of a lewis base ionic liquid to produce optically pure chloropropionic acid alkyl esters.

专利号:US-2024254069-A1
优先权日:2023-01-29
标题 :Synthesis of (r)(+)-2-(4-chloro-2-methyl phenoxy)propanoic acid in high enantiomeric excess

专利号:WO-2009077059-A1
优先权日:2007-12-14
标 题 :Synthesis of biguanidines and triazines, and biguanidino-aluminium complexes as intermediates

专利号:JP-2011506355-A
优先权日:2007-12-14
标题:Synthesis of biguanidine and triazine and biguanidino-aluminum complexes as intermediates