发明名称 TRANSESTERIFICATION PROCESS OF RETINOL ESTERS
摘要 The present invention relates to a transesterification process of specific compounds comprising isoprenoid units.
申请公布号 US2015183734(A1) 申请公布日期 2015.07.02
申请号 US201314419848 申请日期 2013.08.07
申请人 DSM IP ASSETS B.V. 发明人 Bonrath Werner;Gaa Alex;Stritt Claude
分类号 C07C403/12 主分类号 C07C403/12
代理机构 代理人
主权项 1. A transesterification process of a compound of formula (I) with R1 defined as —CH3 or —CH2CH3, wherein the compound of formula (I) is reacted with a compound of formula (II) wherein R2 signifies a C3-C15 alkyl moiety or a C2-C18 alkenyl moiety, in the presence of at least one hydroxide and/or at least one earth alkali hydroxide solved in at least one alcohol.
地址 Heerlen NL