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Quantitative determination of amine mixtures by multiplicative distribution. IX. Separation of organic bases by Craig distribution

Schönenberger, Helmut and Thies, Heinrich and Borah, Kripanath (1970) Quantitative determination of amine mixtures by multiplicative distribution. IX. Separation of organic bases by Craig distribution. Fresenius' Zeitschrift für analytische Chemie 251 (5), pp. 294-298.

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Abstract

The sepn. of (+-)-BuNHCHPhCHPhNHBu, its meso isomer (I), iso-PrCHPhNHBu (II), PhCH2NHBu, and BuNH2, formed by reaction of benzylidenebutylamine with isopropylmagnesium halide in presence of MnCl2, by Craig after-fractionation processes in the solvent system CHCl3-MeOH-2% HCl (40:12:28) was complete after 95 steps in a distribution machine with 35 elements (E. Hecker, 1955). The over-all recovery ...

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Item Type:Article
Date:1970
Additional information (public):CAN 73:105238 80 Organic Analytical Chemistry 109-73-9; 1137-52-6; 1165-52-2; 2403-22-7; 2403-38-5 Role: ANST (Analytical study) (sepn. of, Craig distribution in)
Institutions:Chemistry and Pharmacy > Institute of Pharmacy > Retired Professors > Prof. Schönenberger
Identification Number:
ValueType
1970:505238Other
Keywords:Amines Role: ANST (Analytical study) (sepn. of, Craig distribution in) sepn amines Craig distribution amines sepn Craig distribution Craig distribution sepn amines distribution Craig sepn amines
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Unknown
Owner: Petra Gürster
Deposited On:19 Nov 2010 08:29
Last Modified:19 Nov 2010 08:29
Item ID:18185
Owner Only: item control page
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