期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 77, 期 21, 页码 9900-9904出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo3019076
关键词
-
资金
- NIGMS [NIH R01 GM068650]
- NSF CRIF:MU [CHE 0840401, CHE-0541775]
Described is a Cu-catalyzed directed carbozincation of cyclopropenes with organozinc reagents prepared by I/Mg/Zn exchange. This protocol broadens the scope with respect to functional group tolerance and enables use of aryl iodide precursors, rather than purified diorganozinc precursors. Critical to diastereoselectivity of the carbozincation step is the removal of magnesium halide salts after transmetalation with ZnCl2.
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