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Derivatives of cis-NPCL2(NSOCl)2 and (NPCl2)2NSOCl. Part VIII. Dimethylamino Derivatives of cis-NPCI2(NSOCl)2

✍ Scribed by B. De Ruiter; J.C. van de Grampel

Book ID
104137658
Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
654 KB
Volume
31
Category
Article
ISSN
0020-1693

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✦ Synopsis

Cis-NPcI,(NSOCl), (I) reacts with dimethylamine in a molar ratio of 1:2 to give four isomen'c monosubstituted compounds N&S202C13NMe2; the position of the substituent depends strongly on the solvent. The second reaction step leads to three isomeric bis(dimethylamino) derivatives. Furthermore, two trisubshtuted and two tetrasubstituted derivatives are described. Structures are assigned on the basis of 'H NMR spectra. A suggestion for the substitution mechanism of the first

step is offered. The 31PNMR spectra of the secondary-amino derivatives of the ring systems (NPClJ3, (NPClJ2NSOC7 and NPCl,-(NSOCl),, known up to now, are compared.

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The reaction mechanism of controlled hydrolysis of the inorganic ring system (NPClJ,NSOCl in the presence of KCl and 18-crown4 has been revised and is explained from steric constraints rather than from electronic considerations. The X-ray structure of one of the hydrolysis products, [KC12H2406] i-[N