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铁催化的炔腈和氰胺构建 2-氨基嘧啶。

The iron-catalyzed construction of 2-aminopyrimidines from alkynenitriles and cyanamides.

机构信息

The University of Utah, 315 S. 1400 E. RM. 2020, Salt Lake City, UT 84102, USA.

出版信息

Chem Commun (Camb). 2013 Sep 11;49(70):7735-7. doi: 10.1039/c3cc44422h.

DOI:10.1039/c3cc44422h
PMID:23877441
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4144345/
Abstract

Several cycloaddition catalysts and reagents were surveyed for their effectiveness toward cyclizing alkynenitriles with cyanamides. Catalytic amounts of FeI2, (iPr)PDAI and Zn were found to effectively catalyze the [2+2+2] cycloaddition of a variety of cyanamides and alkynenitriles to afford bicyclic 2-aminopyrimidines.

摘要

几种环加成催化剂和试剂被考察了其对炔腈与氰酰胺环加成的效果。发现催化量的 FeI2、(iPr)PDAI 和 Zn 可以有效地催化各种氰酰胺和炔腈的[2+2+2]环加成反应,得到双环 2-氨基嘧啶。

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J Org Chem. 2013 Apr 5;78(7):3065-72. doi: 10.1021/jo400057t. Epub 2013 Feb 12.
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