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Synthesis of the ethyl ester of the mononitrile of malonic acid by the catalytic carbonylation of benzenesulfonyloxyacetonitrile

✍ Scribed by A. L. Lapidus; S. D. Pirozhkov; A. R. Tumanova; T. G. Koksharova; N. V. Volkova; V. A. Bakulev; V. S. Mokrushin

Book ID
118288719
Publisher
Springer
Year
1992
Tongue
English
Weight
309 KB
Volume
41
Category
Article
ISSN
1573-9171

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πŸ“œ SIMILAR VOLUMES

Synthesis of the 2-ethyl-3-methylsuccini
Synthesis of the 2-ethyl-3-methylsuccinic acids via a stereospecific malonic ester alkylation
✍ F. F. van Leeuwen; A. Noordam; L. Maat; H. C. Beyerman πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 476 KB

## Abstract Reaction of (βˆ’)‐(__S__)‐methyl 2‐bromopropionate (**4**) (obtained from l‐alanine) with dibenzyl ethylmalonate gave stereospecifically in four steps ( + )‐(2__R__,3__S__)‐2‐ethyl‐3‐methylsuccinic acid (**8a**) and its diastereoisomer (**8b**). The malonic ester alkylation proceeded with