Process for the synthesis of certain 2-amino-5-cyanothiophenes

Details Process for the synthesis of certain 2-amino-5-cyanothiophenes Process for the synthesis of certain 2-amino-5-cyanothiophenes

1975-07-18

1978-05-30

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260329S, 2603322C, 2603323R, 2603325, C07D33336, C07D33338, C07D33342

Patent

active

040923290

ABSTRACT:
The invention relates to a process which comprises reacting a compound of formula I, ##STR1## in which A.sub.1 is a radical which does not compete with the activity of the ##STR2## OR A TAUTOMER THEREOF, WITH A COMPOUND OF FORMULA II,

REFERENCES:
patent: 2570083 (1951-10-01), Wadley

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