Crystal data on the radioprotectants,N-(2-Mercaptoprofionyl13; ) cycline and N.N.N',N',-Tetramethyl-1,4-Phenylene diamine-dihydrochloride

Mani, A and Vedavathi, BM and Vijayan, Kalyani (1982) Crystal data on the radioprotectants,N-(2-Mercaptoprofionyl13; ) cycline and N.N.N',N',-Tetramethyl-1,4-Phenylene diamine-dihydrochloride. Current Science, 51 (4). p. 192.

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    Abstract

    N-(2-mercaptopropionyl) glycine, (MPG), (I) and N,N,Nx2019;Nx2019;, tetramethyl-1, 4-phenylene diamine,(TMPD), (11), are known12 to afford protection against ionising radiation. As part of a programme of x2018;x-ray investigations on chemical radio protectant,we have crystallized MPG and the dihydrochloride of TMPD by slow evaporation from aqueous solutions.Both the compounds were found to have two crystal forms each. The two different types of crystals13; crystallize simultaneously in the same crystallization13; dish, in each case. The unit cell dimensions and space13; group of the four types of crystals were determined13; from oscillation and Weissenberg photographs taken13; with CuKa radiation and the crystal data are listed in13; table I. Type 1 crystals of MPG correspond to a13; mcemic mixture, whereas the type . 2 crystals13; crystallizing in the space group P21 contain only one13; kind of optical isomer which must have separated out13; during crystallization.13;

    Item Type: Journal Article
    Uncontrolled Keywords: Mercaptopropionyl;Radioprotectants;Phenylene
    Subjects: AERONAUTICS > Aerodynamics
    Division/Department: Materials Science Division, Materials Science Division, Materials Science Division
    Depositing User: M/S ICAST NAL
    Date Deposited: 09 Nov 2006
    Last Modified: 24 May 2010 09:51
    URI: http://nal-ir.nal.res.in/id/eprint/3073

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