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Preparation and x‐ray structure of 1,4,2,3,5,6‐Dithiatetrazine
Author(s) -
Novosad Josef,
Williams David J.,
Woollins J. Derek
Publication year - 1994
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19946200316
Subject(s) - ring (chemistry) , crystallography , x ray , chemistry , sulfur , bond length , stereochemistry , crystal structure , physics , organic chemistry , optics
Reaction of sulfur dichloride with sym‐EtO 2 CNHNHCO 2 Et 1 gives the title ring system which has been characterised by microanalyses, nmr, and X‐Ray crystallography. The X‐ray structure of S 2 [N(CO 2 Et)] 4 2 reveals that the S 2 N 4 ring adopts a chair conformation with all four ester groups in pseudo‐axial positions. Bond lengths and angles are compared with 1 and S 4 (NR) 2 .
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