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Stereoselective behaviour of s-trithiane derivatives in the presence of methoxide ions in various solvents

✍ Scribed by E. Andrzejewska; A. Zuk; M. Andrzejewski

Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
179 KB
Volume
18
Category
Article
ISSN
0040-4039

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✦ Synopsis

that the principal mechanism of stabilisation of such carbanions by adjacent sulphur was by polarizatior?,'.

2.4. 6Trisubstituted s-trithiane derivatives exist in two isomeric forms as lower melting a-isomers (cis-trans form) and &isomers

lcis-cis formjs. We were studying the stereochemical behaviour of a-2.4.6.triphenyl-strithiane

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The kinetics of hydration processes of tricalcium aluminate and monocalcium aluminate in the presence of calcium sulphates and calcium hydroxide was studied at room temperature by differential calorimetry and X-ray diffraction analysis. Results indicate that the solubility of calcium sulphates (anhy