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Stereo-selectivity in the reaction of carbomethoxycarbene with cis-butene

โœ Scribed by W. von E. Doering; T. Mole


Publisher
Elsevier Science
Year
1960
Tongue
French
Weight
463 KB
Volume
10
Category
Article
ISSN
0040-4020

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๐Ÿ“œ SIMILAR VOLUMES


Temperature dependence of the rate const
โœ H. Biehl; J. Bittner; B. Bohn; R. Geers-Mรผller; F. Stuhl ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 559 KB

## Abstract The kinetics of the reactions of ground state oxygen atoms with __trans__โ€2โ€butene, __cis__โ€2โ€butene, 2โ€methylpropene, 2โ€methylโ€2โ€butene, and 2,3โ€dimethylโ€2โ€butene was investigated in the temperature range 200 to 370K. In this range, the rate constants are (in units 10^โˆ’11^ cm^3^ s^โˆ’1^)

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Metal and temperature effects on thio-Wittig reactions have been studied. Stabilized phosphorus ylides, such as carbomethoxymethylenetriphenylphosphorane, reacted with sulfur to afford dimethyl maleate and dimethyl fumarate in a 1 : 4 ratio. As in the case of conventional Wittig reactions with semis