Bicyclo[3.2.2]non-1-ene: matrix isolation and spectroscopic characterization of a moderately strained bridgehead olefin
摘要:
Bicyclo[3.2.2]non-1-ene was generated in low-temperature matrices and in fluid solutions by photodecomposition of bicyclo[2.2.2]oct-1-yldiazomethane and its photorearrangement product, 3-(bicyclo[2.2.2]oct-1-yl)diazirine. It was characterized by IR and UV absorption and by H-1 and C-13 NMR spectroscopy. Further evidence for the proposed structure was provided by self-trapping and by the spectral effects of deuteration on the olefinic carbon. Observed IR spectra and isotopic shifts agree well with the results of semiempirical (MNDO) and ab initio (SCF/6-31G*) calculations.
Bicyclo[3.2.2]non-1-ene: matrix isolation and spectroscopic characterization of a moderately strained bridgehead olefin
作者:Murthy S. Gudipati、Juliusz G. Radziszewski、Piotr Kaszynski、Josef Michl
DOI:10.1021/jo00066a018
日期:1993.7
Bicyclo[3.2.2]non-1-ene was generated in low-temperature matrices and in fluid solutions by photodecomposition of bicyclo[2.2.2]oct-1-yldiazomethane and its photorearrangement product, 3-(bicyclo[2.2.2]oct-1-yl)diazirine. It was characterized by IR and UV absorption and by H-1 and C-13 NMR spectroscopy. Further evidence for the proposed structure was provided by self-trapping and by the spectral effects of deuteration on the olefinic carbon. Observed IR spectra and isotopic shifts agree well with the results of semiempirical (MNDO) and ab initio (SCF/6-31G*) calculations.