✦ LIBER ✦

The Carbene/Carbenoid Problem

✍ Scribed by Priv.-Doz. Dr. M. Schlosser; Dr. G. Heinz

Publisher: John Wiley and Sons
Year: 1969
Tongue: English
Weight: 237 KB
Volume: 8
Category: Article
ISSN: 0044-8249
DOI: 10.1002/anie.196907602

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✦ Synopsis

pentane mixture (1 5 ) and is obtained in the form of leaflets on removal of the solvent (yield 8-9 g). A solution of (5) (917 g) in CC14 (7 ml) is irradiated under nitrogen in a glass ampoule at -2OOC for 15-20 h. The contents of the ampoule are chromatographed on silica gel (30 g) and eluted with pentane (500ml). Evaporation to dryness leaves 578 mg of crystals from which compound (6) (534 mg, 82%) is obtained by sublimation at 30 torr (bath temperature 75 "C); compound (7) (44 mg, 7 %) remains behind as residue.

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