C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 333/04 (2006.01) C07D 333/22 (2006.01)
Patent
CA 2108737
-1- Abstract The present invention is directed to a process for the production of 2-thiophene aldehydes, in which the 2-thiophene aldehydes are obtained by the formylation of thiophene or derivatives thereof with formamides and phosgene. The 2- thiophene aldehydes obtained by the process of the present invention are useful as intermediates in the synthesis of medicaments, agricultural chemicals, etc.
Saito Kenji
Seko Shinzo
Yamashita Kazuyoshi
Kirby Eades Gale Baker
Sumitomo Chemical Co. Ltd.
Sumitomo Seika Chemicals Co. Ltd.
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