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Separation of ritalin racemate and its by-product racemates by capillary electrophoresis
ELECTROPHORESIS, 2001Ritalin, [(+)-threo]methylphenidate hydrochloride, is a chiral drug substance with two chiral centers. The drug substance may contain three pairs of enantiomers, [(+)-threo], [(-)-threo], [(+)-erythro] and [(-)-erythro] isomers, and its degradation products, threoritalinic acid racemate. Determination of the optical purity of ritalin drug substance and
W X, Huang +4 more
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The Racemization of Sulfonium Salts. III. The Racemization of Arylsulfonium Salts
Canadian Journal of Chemistry, 1973The rate constants for racemization by inversion of a variety of monoaryl- and diarylsulfonium salts are reported. There is a marked steric effect upon the rate of the racemization reaction. An estimate is made of the half-life for racemization of acyclic optically active triarylsulfonium salts.
David Darwish, Christopher E. Scott
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Use of Conglomerate Mixed Crystals to Deracemize a Stable Racemic‐Compound‐Forming System
Chemistry - A European Journal, 2023Ryusei Oketani, Gérard Coquerel
exaly
Synthesis of racemic sesquicarene
Tetrahedron Letters, 1969K, Mori, M, Matsui
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Racemic species of sodium ibuprofen: Characterization and polymorphic relationships
Journal of Pharmaceutical Sciences, 2003Geoff G Z Zhang +2 more
exaly