C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/312, 260/356
C07D 405/12 (2006.01) C07D 257/04 (2006.01) C07C 155/08 (1985.01)
Patent
CA 1192205
A B S T R A C T By heating an N-(2-hydroxyethyl)dithiocarbamate ester pro- tected at its hydroxy group as an ether in the presence of an azide, the corresponding 1-(protected hydroxyethyl)-1H-tetra- zole-5-thiol is obtained, and then, if required, deprotecting the etheric protection to give an industrially useful chemi- cal, 1-(2-hydroxyethyl)-1H-tetrazols-5-thiol of the formula: Image or its mercaptide salt of the formula: Image wherein R is an ether forming group and R2 is hydrogen, alkali metal or alkaline earth metal.
424337
Nagata Wataru
Nishitani Yasuhiro
Sato Hisao
Johnson Douglas S. Q.c.
Shionogi & Co. Ltd.
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