C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 323/62 (2006.01) C07C 319/20 (2006.01) C07D 281/10 (2006.01) C07C 323/56 (2006.01)
Patent
CA 2304371
A process which allows the re-use of compounds of formula (III-(2R, 3R)) in diltiazem synthesis through a process of conversion to a mixture of enantiomers III-(2R,3R) and III-(2S,3S) is described.
Cette invention porte sur une technique permettant de réutiliser des composés correspondant à la formule (III-(2R,3R)) dans la synthèse du diltiazem et ce, par une transformation en mélange d'énantiomères III-(2R,3R) et III-(2S,3S).
Allegrini Pietro
Barreca Giuseppe
Marchioro Gaetano
Russo Laura
Villa Marco
Riches Mckenzie & Herbert Llp
Zambon Group S.p.a.
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