Catalytic Asymmetric Allylation of 3,4-Dihydroisoquinolines and Its Application to the Synthesis of Isoquinoline Alkaloids
作者:Michiko Miyazaki、Nami Ando、Keita Sugai、Yuki Seito、Hiromi Fukuoka、Takuya Kanemitsu、Kazuhiro Nagata、Yuki Odanaka、Kazuo T. Nakamura、Takashi Itoh
DOI:10.1021/jo101956m
日期:2011.1.21
1-allyltetrahydroisoquinoline derivatives in good yield and stereoselectivity. The allyl adduct thus obtained was applied to the synthesis of several isoquinoline alkaloids such as crispine A and homolaudanosine. The reaction was further used for the synthesis of the isoquinoline moiety of schulzeine A.
在DTBM-SEGPHOS作为手性配体的情况下,以烯丙基三甲氧基硅烷-Cu作为亲核试剂进行3,4-二氢异喹啉的催化不对称烯丙基化,以良好的收率和立体选择性提供相应的手性1-烯丙基四氢异喹啉衍生物。将由此获得的烯丙基加合物用于几种异喹啉生物碱的合成,如crispine A和homlaudanosine。该反应进一步用于合成舒尔西宁A的异喹啉部分。