Conformational analysis of seven-membered cyclic systems
β Scribed by G. Favini
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 875 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0022-2860
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π SIMILAR VOLUMES
Cationic ring-opening polymerization behavior of a seven-membered cyclic sulfite ( 1) was examined. 1 was prepared by the reaction of 1,4-butanediol with SOCl 2 in 58% yield. The cationic polymerization of 1 was carried out at 0, 25, 60, or 100ΠC with trifluoromethanesulfonic acid (TfOH), methyl tri
The cationic ring-opening polymerization of six-membered cyclic pseudoureas, 2-(1-pyrrolidinyl)-( 2a) and 2-morpholino-5,6-dihydro-4H-1,3-oxazine ( 2b), was examined, which proceeded in two different ways, depending on the nature of initiator. The polymerization of 2 with methyl p-toluenesulfonate o