by using a simple 2,2′-biphenol-derived phosphoric acid catalyst (2.5–10 mol%). This reaction was also successfully conducted at the gram scale. To demonstrate the synthetic utility of this catalytic system, pharmaceutically useful substrates and acid-sensitivesubstrates were examined using these acid–base cooperative phosphoric acid catalysts, which exhibit relatively weak Brønsted acidity.
通过使用简单的 2,2'-联苯酚衍生的磷酸催化剂(2.5–10 mol%),在 100 °C 下促进了羧酸和伯醇或仲醇的等摩尔混合物在甲苯中的脱水酯化反应,无需除去水。 )。该反应也在克级上成功进行。为了证明该催化系统的合成效用,使用这些酸碱协同磷酸催化剂对药学上有用的底物和酸敏感底物进行了检查,这些催化剂表现出相对较弱的布朗斯台德酸性。
METHOD FOR PRODUCING CARBOXYLIC ACID AND ALCOHOL BY HYDROLYSIS OF ESTER
申请人:National University Corporation Nagoya University
公开号:EP2799422B1
公开(公告)日:2018-02-14
Arbusow; Winogradowa, Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1954, p. 627,629;engl.Ausg.S.535,537
作者:Arbusow、Winogradowa
DOI:——
日期:——
GOLDING, B. T.;PIERPOINT, C.;ANEJA, R., J. CHEM. SOC. CHEM. COMMUN., 1981, N 20, 1030-1031
作者:GOLDING, B. T.、PIERPOINT, C.、ANEJA, R.
DOI:——
日期:——
SUBSTITUIERTE N-HETEROCYCLYL- UND N-HETEROARYL-TETRAHYDROPYRIMIDINONE SOWIE DEREN SALZE UND IHRE VERWENDUNG ALS HERBIZIDE WIRKSTOFFE