Journal
ASIAN JOURNAL OF ORGANIC CHEMISTRY
Volume 12, Issue 6, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ajoc.202300142
Keywords
boron trifluoride; camphorsulfonic acid; diazoimidamides; thiazolo[4; 5-b]indolamines; thiourea
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A new synthetic method for the formation of thiazolo[4,5-b]indol-2-amines from alpha-diazoimidamides and mono-substituted thioureas was demonstrated. The reaction was catalyzed by boron trifluoride etherate and camphorsulfonic acid under mild conditions. This methodology is suitable for various alpha-diazoimidamides and mono-substituted thioureas, and can be scaled up for further experiments and transformation.
A novel synthetic method for the formation of thiazolo[4,5-b]indol-2-amines from alpha-diazoimidamides and mono-substituted thioureas in the presence of a catalytic amount of boron trifluoride etherate and camphorsulfonic acid under mild conditions was demonstrated. This methodology has a wide-ranging scope of alpha-diazoimidamides and mono-substituted thioureas, amenable for upscaling experiments and further transformation.
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