cas 6341-24-8, D-Histidine hydrochloride monohydrate | Articles data ｜lookchem

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6341-24-8

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Design of Polymeric Inhibitors for the Control of Crystal Polymorphism. Induced Enantiomeric Resolution of Racemic Histidine by Crystallization at 25 deg C
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Weissbuch, I.,Zbaida, D.,Addadi, L.,Leiserowitz, L.,Lahav, M.
p. 1869 - 1871
(1987)
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Resolution of DL-racemic mixtures
The present invention relates to a process for the resolution of DL-racemic mixtures of compounds which crystalize in the form of a conglumerate. Both, the D and L-enantiomers are obtained according to the invention in a industrially feasable process by adding chiral enantioselective polymers to the supersaturated solution of the racemat to inhibit crystalization of one enantiomer. Next a DL-racemic mixture of said compound is suspended in about twice the amount of the crystallized enantiomer. Consequently, the opposite enantiomer could be recovered by said suspension by physical separation.
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Page column 7-8

(2008/06/13)

DESIGN OF STEREOSPECIFIC INHIBITORS FOR CRYSTAL DISSOLUTION
A new class of monomeric and polymeric crystal dissolution inhibitors has been prepared taking into consideration the packing arrangements and the morphologies of organic crystals.The efficiency of these inhibitors has been demonstrated by comparative morphological studies of α-glycine and by the kinetic resolution of the racemic conglomerates of his*HCl*H2O, threonine, glu*HCl, and 2,4-sec-phenetyl-3,5-dinitrobenzoate.
Shimon, L. J. W.,Zbaida, D.,Addadi, L.,Leiserowitz, L.,Lahav, M.
p. 199 - 222
(2007/10/02)

More Articles about upstream products of 6341-24-8

6459-59-2
histidine hydrochloride

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Chemical Properties

Melting Point: 254 °C (dec.)(lit.)
Storage Temp.:Store at RT.
BRN: 4161356
PSA: 92.00000
LogP: 0.86640

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