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Tetrahedron

The HgCl 2-promoted guanylation reaction: The scope and limitations

C Levallet, J Lerpiniere, SY Ko

文献索引:Levallet, Catherine; Lerpiniere, Joanne; Ko, Soo Y. Tetrahedron, 1997 , vol. 53, # 14 p. 5291 - 5304

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被引用次数: 123

摘要

The HgCl2-promoted guanylation reaction was studied with various substituted thiourea starting materials and the scope and limitations are presented. The process was found to be effective with thioureas containing at least one N-conjugated substituent. Such activating groups include N-carbonyl-(acyl, alkoxycarbonyl, carbamoyl, etc.), N-cyano-, N-sulfonyl-, and N-aryl-substituents.