Novel desulphurization of thiourea derivatives by alkaline autoxidation

YH Kim, HJ Kim, GH Yon

Index: Kim, Yong Hae; Kim, Hyung Jin; Yon, Gyu Hwan Journal of the Chemical Society, Chemical Communications, 1984 , # 16 p. 1064 - 1065

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Abstract

Autoxidation of 1, 3-disubstituted thioureas in the presence of oxygen and tertiary butoxide in tertiary butanol afforded the corresponding ureas in good yields together with small amounts of the corresponding guanidines while the same treatment of benz-or naphth- imidazole-2-thiones gave the parent imidazoles and the 2-sulphonic acids.

 Related Synthetic Route
Thiourea,N,N'-bis(4-chlorophenyl)- Structure

1220-00-4

Thiourea,N,N'-b...

~75%

1,2,3-tris(4-chlorophenyl)guanidine Structure

47459-90-5

1,2,3-tris(4-ch...

1,3-bis-(4-Chlorophenyl)urea Structure

1219-99-4

1,3-bis-(4-Chlo...

Thiocarbanilide Structure

102-08-9

Thiocarbanilide

~74%

1,2,3-Triphenylguanidine Structure

101-01-9

1,2,3-Triphenyl...

1,3-Diphenylurea Structure

102-07-8

1,3-Diphenylurea

Thiourea,N,N'-bis(4-chlorophenyl)- Structure

1220-00-4

Thiourea,N,N'-b...

~3%

1,2,3-tris(4-chlorophenyl)guanidine Structure

47459-90-5

1,2,3-tris(4-ch...

1,3-bis-(4-Chlorophenyl)urea Structure

1219-99-4

1,3-bis-(4-Chlo...


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