Die Kristallstruktur descis-Perhydro-cyclopenta[1.2-c:3.4-c′]-dithiophen-S.S.S′.S′-tetroxids, C9H14O4S2
✍ Scribed by Burzlaff, Hans
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1968
- Tongue
- English
- Weight
- 366 KB
- Volume
- 101
- Category
- Article
- ISSN
- 0009-2940
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The condensation of (1 R,2S) or (lS,2S)-N,N'-dimethyI-l-phenylpropane-l 2-diamines with aldehydes gives respectively two diastereorneric 2-alkyl-l,3,4-trimethyI-S-phen limidazolidines. At thermodynamical equilibrium the major isomer in the erythro series is this one where t f ! e substituents at pos
## Abstract A method was developed for the preparation of 2,3‐dinitrilo‐1,4‐dithia‐9, 10‐anthraquinone labelled with ^14^C or ^35^S or ^14^C+^35^S on a milligram scale with the use of the semiconducto‐graphic detection. The exchange of the ^35^S radionuclide in various stages of the preparation was