C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/299
C07D 513/04 (2006.01)
Patent
CA 1239408
ABSTRACT A PROCESS FOR ISOLATING LEVAMISOLE FROM TETRAMISOLE. A process for isolating levamisole or a therapeutically acceptable acid addition salt thereof from tetramisole or an acid addition salt thereof by precipitating levamisole. L-N-[(4-methoxyphenyl)sulfonyl]- glutamic acid (salt) and converting the diastereomeric salt into levamisole or a suitable acid addition salt thereof.
465415
Guns Eric J.
Van Der Veken Guido J.l.
Willemsens Albert L.a.
Gowling Lafleur Henderson Llp
Janssen Pharmaceutica Naamloze Vennootschap
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