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Synthesis, characterization, and catalytic properties of polysiloxanes with pendant 4-(3-pyridinyl)butyl and 4-(1-oxypyridin-3-yl)butyl groups

✍ Scribed by Martel Zeldin; Eric Granger; Wilmer K. Fife

Book ID
104886118
Publisher
Springer
Year
1993
Tongue
English
Weight
837 KB
Volume
3
Category
Article
ISSN
1053-0495

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## Abstract Ketene generated from acetyl chloride or chloroacetyl chloride adds on indolyl Schiff's base double bond to afford 1‐butyl‐3‐substituted‐4‐(2‐aryl‐1__H__‐indol‐3‐yl)‐2‐azetidinones in THF. The reaction proceeds stereospecifically via concerted __trans__ [2+2] cycloaddition. The synthesi