✦ LIBER ✦

Insoluble resins in organic syntheses I. Preparation and reactions of polymeric anhydrides

✍ Scribed by Manvendra B. Shambhu; George A. Digenis

Publisher: Elsevier Science
Year: 1973
Tongue: French
Weight: 152 KB
Volume: 14
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)96013-7

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✦ Synopsis

Recently many workers have pointed out the advantages of utilizing polymeric reagents in organic syntheses 1,293 , a technique similar to the solid phase synthesis of peptides4. By employing reactive chemical functions on an insoluble polymer support, the usual purification procedures can be avoided. The excess reagent and other reaction products can be removed by Polymer beads of 40-100 mesh size were used in the reactions.

This is the amount isolated from the polymer after refluxing the beads with excess potassium hydroxide in dioxane-water (5:l) for 4 hours.

C. A. Bunton and S. G. Perry, 2. Chem. c., 3070 (1960).

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