C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 277/24 (2006.01) C07D 501/00 (2006.01)
Patent
CA 2483482
The present invention provides a process for the preparation of 4-methyl-5- formyl-thiazole of the formula (I), which comprises reducing the thiazole ester of the formula (III) to thiazole alcohol of the formula (IV), using a sodium borohydride in the presence of AlCl3 in a solvent and oxidising the thiazole alcohol of the formula (IV) to obtain 4-methyl-5-formyl-thiazole of the formula (I) using an oxidizing agent.
La présente invention concerne un procédé de préparation de 4-méthyl-5-formylthiazole correspondant à la formule (I), ce procédé comprenant les opérations consistant à réduire l'ester de thiazole de formule (III) en alcool de thiazole de formule (IV), à utiliser un borohydrure de sodium en présence d'AlCl¿3?, dans un solvant, et à oxyder l'alcool de thiazole de formule (IV) pour obtenir le 4-méthyl-5-formyl-thiazole de formule (I), cela à l'aide d'un agent oxydant.
Deshpande Pandurang Balwant
Kamma Ramakrishna
Luthra Parven Kumar
Vyas Rajesh
Orchid Chemicals & Pharmaceuticals Limited
Smart & Biggar
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