- Stereo- and enantioselective polymerization of hexa-1, 5-diene on heterogeneous Ziegler-Natta catalysts obtained with the use of optically active internal donors
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Pure racemates and individual enantiomers of diethyl 2, 3-diisopropylsuccinate ((+, -)-DIPS and (-)-DIPS) and 2, 3-diisopropyl-1, 4-dimethoxybutane ((+, -)-DPDMB and (+)-DPDMB) were prepared. The synthesized compounds and diethyl phthalate were used as in
- Lyubimtsev,Nifant'ev
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- PROCESS FOR PREPARING 2,3-DI-NON-STRAIGHT-ALKYL-2-CYANO SUCCINIC ACID DIESTERS
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A process for preparing 2,3-di(non-linear-alkyl)-2-cyanosuccinate compounds, especially 2,3-diisopropyl-2-cyanosuccinate compounds, and processes for preparing 2.3-di(non-linear-alkyl)succinic acids and esters thereof by using the 2,3-di-non-linear propyl-2-cyanosuccinate compounds as intermediates are disclosed.
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(2012/01/11)
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