Synthesis p. 1591 - 1597 (2000)
Update date:2022-08-05
Topics:
Loog
Maeorg
Ragnarsson
Smooth monoarylation of two triprotected hydrazine reagents under mild conditions has been accomplished using triarylbismuthanes in the presence of copper acetate and amine to give products 3 and 6 in excellent yield. Arylation on N2 after selective deprotection of derivatives with alkyl or aryl substituents on N1, resulting in compounds 8 and 9, is also demonstrated. Furthermore, other products derived from these reagents with free N-alkyl and N-aryl functions undergo the same reaction to give substances such as 10 and 11. As a result, the scope of the original hydrazine reagents has been further extended. A few reference compounds have also been prepared directly from phenylhydrazine.
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Doi:10.1007/s00706-008-0930-4
(2008)Doi:10.1016/S0040-4039(01)96488-3
(1971)Doi:10.1016/S0040-4020(01)00164-8
(2001)Doi:10.1080/00397911.2017.1350276
(2017)Doi:10.1021/jo00822a006
(1971)Doi:10.1007/BF00760839
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