The intramolecular nitrile imine cycloaddition methodology has been applied to the construction of the title heterocyclic systems. The efficiency of this synthetic approach is rather variable, being markedly dependent on the kind of substitution at the aceylenic bond.
INTRAMOLECULAR NITRILE IMINE CYCLOADDITIONS TO THE ACETYLENIC BOND IN THE SYNTHESIS OF PYRAZOLO[1,5-A][4,1]-BENZOXAZEPINES AND PYRAZOLO[1,5-A][5,1]BENZOXAZOCINES / G. BROGGINI, L. GARANTI, G. MOLTENI, G. ZECCHI. - In: HETEROCYCLES. - ISSN 0385-5414. - 38:7(1994), pp. 1601-1607.
INTRAMOLECULAR NITRILE IMINE CYCLOADDITIONS TO THE ACETYLENIC BOND IN THE SYNTHESIS OF PYRAZOLO[1,5-A][4,1]-BENZOXAZEPINES AND PYRAZOLO[1,5-A][5,1]BENZOXAZOCINES
G. MOLTENI;
1994
Abstract
The intramolecular nitrile imine cycloaddition methodology has been applied to the construction of the title heterocyclic systems. The efficiency of this synthetic approach is rather variable, being markedly dependent on the kind of substitution at the aceylenic bond.
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