High π-route reactivity in the tropene system. Absence of a nitrogen acceleration effect.
作者:Brown L. Murr、Billy J. Parkhill、Alex Nickon
DOI:10.1016/s0040-4020(01)81578-7
日期:1992.6
Solvolyses of a suitably constructed tropene tosylate and its unsaturated carbocyclic analog show that the amino function, despite its suitable spatial location, does not enhance the π-route assistance but reduces it slightly.
作者:MAJERSKI Z.、 SARAC-ARNERI R.、 SKARE D.、 LONCAR B.
DOI:——
日期:——
Studies on (CH)2n hydrocarbons. Alternative syntheses of [3]peristylane (triaxane)
作者:Peter J. Garratt、John F. White
DOI:10.1021/jo00430a014
日期:1977.5
The manifestation of non-bonded attraction in the physical properties of cis and trans olefins
作者:N.D. Epiotis、S. Shaik、J.R. Larson、F. Bernardi
DOI:10.1016/0040-4020(77)80149-x
日期:1977.1
Non-bondedattraction is suggested to account for a host of differences in the physical properties of cis and trans olefins of the type XHCCHX. The main predictions are: (i) The cis isomer is more stable than the trans isomer; (ii) The CC bond is longer and the C-X bonds are shorter for the cis isomer; (iii) The π MO's orbital energies of the two isomers differ such that the trans isomer is a better