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Vitus_Verdegast (Hive Addict) 11-24-03 13:31 No 472855 |
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splitting the racemate of d,l-phenylpropanolamine | ||||||
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The d,l-phenylpropanolamine (norephedrine) racemate is split with optically active thiazolidine-4-carboxylic acids of the formula: [image] where R1 and R2 are both methyl or are joined together to form the pentamethylene group. Patent US3959302 Flight of the Bumble Bee (http://www.geocities.com/eric_vornoff/B |
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