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Isomers of polycyclic conjugated hydrocarbons with six-membered and seven-membered rings

โœ Scribed by B. N. Cyvin; S. J. Cyvin; J. Brunvoll

Publisher
Springer Vienna
Year
1994
Tongue
English
Weight
559 KB
Volume
125
Category
Article
ISSN
0026-9247

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๐Ÿ“œ SIMILAR VOLUMES

Isomers of polycyclic conjugated hydroca
Isomers of polycyclic conjugated hydrocarbons with different ring sizes
โœ S.J. Cyvin; J. Brunvoll; B.N. Cyvin ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 400 KB

Polygonal systems, corresponding to polycyclic conjugated hydrocarbons with arbitrary ring sizes, are studied. For the cases of two and three rings, generations of all C.H, isomers are indicated, and explicit formulae are given for their numbers. The symmetry groups are accounted for. Furthermore, a

Ring-opening polymerization of six- and
Ring-opening polymerization of six- and seven-membered cyclic pseudoureas
โœ Masatoshi Miyamoto; Keigo Aoi; Takeo Saegusa ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 277 KB ๐Ÿ‘ 2 views

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