期刊
ORGANIC LETTERS
卷 22, 期 19, 页码 7480-7485出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c02664
关键词
-
资金
- SERB, India [CRG/2019/005059]
An efficient cobalt-catalyzed [4 + 2] annulation of hydrazones and 1,3-diynes has been developed for the synthesis of 3-alkynylated isoquinolines engaging 2-aminopyridine as a traceless bidentate directing group. The strategy has been successfully extended for the synthesis of 3,3 '-biisoquinoline moieties via both one-pot as well as sequential approaches. The utilization of a traceless bidentate directing group with an inexpensive and earth-abundant cobalt-catalyst under operationally simple reaction conditions makes the present transformation more valuable and appealing.
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