Improved Schmidt synthesis of 1,5-disubstituted 1H-tetrazoles from ketones
On treatment with an excess of sodium azide in the presence of titanium(IV) chloride in boiling acetonitrile, both aliphatic and aromatic ketones are smoothly converted to 1,5-disubstituted 1H-tetrazoles in high yields.
Suzuki,Hwang,Nakaya,Matano
p. 1218 - 1220
(2007/10/02)
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