α-Diazo-β-ketonitriles: Uniquely Reactive Substrates for Arene and Alkene Cyclopropanation
作者:Roger R. Nani、Sarah E. Reisman
DOI:10.1021/ja401610p
日期:2013.5.15
An investigation of the intramolecular cyclopropanation reactions of alpha-diazo-beta-ketonitriles is reported. These studies reveal that alpha-diazo-beta-ketonitriles exhibit unique reactivity in their ability to undergo arene cyclopropanation reactions; other similar acceptor acceptor-substituted diazo substrates instead produce mixtures of C-H insertion and dimerization products. alpha-Diazo-beta-ketonitriles also undergo highly efficient intramolecular cyclopropanation of tri- and tetrasubstituted alkenes. In addition, the alpha-cyano-alpha-ketocyclopropane products are demonstrated to serve as substrates for S(N)2, S(N)2', and aldehyde cycloaddition reactions.
Regiospecific synthesis of α-(phenylthio)ketones via rhodium(II) acetate catalysed addition of thiophenol to α-diazoketones
作者:M. Anthony McKervey、Piniti Ratananukul
DOI:10.1016/s0040-4039(00)87382-7
日期:1982.1
KENNEDY, MICHAEL;MCKERVEY, M. ANTHONY;MAGUIRE, ANITA R.;TULADHAR, SARBAJN+, J. CHEM. SOC. PT 1. PERKIN TRANS.,(1990) N, C. 1047-1054
作者:KENNEDY, MICHAEL、MCKERVEY, M. ANTHONY、MAGUIRE, ANITA R.、TULADHAR, SARBAJN+
DOI:——
日期:——
MCKERVEY, M. A.;RATANANUKUL, P., TETRAHEDRON LETT., 1982, 23, N 24, 2509-2512
作者:MCKERVEY, M. A.、RATANANUKUL, P.
DOI:——
日期:——
The intramolecular Buchner reaction of aryl diazoketones. Substituent effects and scope in synthesis
作者:Michael Kennedy、M. Anthony McKervey、Anita R. Maguire、Sarbajna M. Tuladhar、M. Fiona Twohig
DOI:10.1039/p19900001047
日期:——
cyclisation occurring in all cases. When the precursor contains a meta-methoxy substituent, 2-tetralones are obtained directly. The efficient conversion of 3-phenylpropionic acid into trans-1-methylbicyclo[5.3.0]decan-2-one is also described, partial asymmetric synthesis having been realised through the use of rhodium (S)-mandelate as the cyclisation catalyst. Cyclisations of diazoketonesderived from