Treatment of S,S-dimethyl-N-(N-arylbenzimidoyl)sulfimides with enamines derived from ketones gives 4,4-disubstituted-2-phenyl-3,4-dihydro quinazolines. The reaction involves an 1,3-diaza-1,3-diene intermediate which undergo electrocyclic ring closure to give the final products
A New Synthesis of Quinazolines. Part lll. Synthesis of 3 : 4-Quinazoloneylquinazolines
Nitroalkanes activated with polyphosphoric acid serve as efficient electrophiles in reactions with v...
Sodium borohydride has been found to reduce the cyclic imine double bond ( : C = N) in some 2-substi...
In this communication we report our results about the reaction of S,S-dimethyl-N-(N-benzimidoyl)sulf...
In this communication we want to report our results regarding the reaction of N-imidoyliminotripheny...
Recently we reported a new synthesis of quinazoline ring starting from N-imidoyliminotriphenylphosph...
N-imidoyliminotripheny]phosphorane reacts with aliphatic and aromatic aldehydes to give via an 1,3-d...
The [4+2] cycloaddition between 2,4-diphenylpyrimidine ortho-quinodimethane and dimethyl acetylenedi...
The [4+2] cycloaddition between 2,4-diphenylpyrimidine ortho-quinodimethane and dimethyl acetylenedi...
The sequential N-functionalization of 2-aminobenzylamine (2-ABA) followed by cyclodehydration allowe...
An efficient route to <i>N</i><sup>4</sup>-substituted 2,4-diaminoquinazolines has been developed by...
An efficient route to <i>N</i><sup>4</sup>-substituted 2,4-diaminoquinazolines has been developed by...
N-arylidene orthanilamides undergo isomeric cyclisation in acetic acid to the corresponding 2-aryl-1...
Metodou vycházející z -diketonů byly syntetizovány dva -enaminony: 4-amino-3-(2-brombenzyl)pent-3-...
The reaction of N-(2-Chloromethylphenyl)benzenesulfonamides (1) with N-benzylideneamines (2) gives 1...
A New Synthesis of Quinazolines. Part lll. Synthesis of 3 : 4-Quinazoloneylquinazolines
Nitroalkanes activated with polyphosphoric acid serve as efficient electrophiles in reactions with v...
Sodium borohydride has been found to reduce the cyclic imine double bond ( : C = N) in some 2-substi...
In this communication we report our results about the reaction of S,S-dimethyl-N-(N-benzimidoyl)sulf...
In this communication we want to report our results regarding the reaction of N-imidoyliminotripheny...
Recently we reported a new synthesis of quinazoline ring starting from N-imidoyliminotriphenylphosph...
N-imidoyliminotripheny]phosphorane reacts with aliphatic and aromatic aldehydes to give via an 1,3-d...
The [4+2] cycloaddition between 2,4-diphenylpyrimidine ortho-quinodimethane and dimethyl acetylenedi...
The [4+2] cycloaddition between 2,4-diphenylpyrimidine ortho-quinodimethane and dimethyl acetylenedi...
The sequential N-functionalization of 2-aminobenzylamine (2-ABA) followed by cyclodehydration allowe...
An efficient route to <i>N</i><sup>4</sup>-substituted 2,4-diaminoquinazolines has been developed by...
An efficient route to <i>N</i><sup>4</sup>-substituted 2,4-diaminoquinazolines has been developed by...
N-arylidene orthanilamides undergo isomeric cyclisation in acetic acid to the corresponding 2-aryl-1...
Metodou vycházející z -diketonů byly syntetizovány dva -enaminony: 4-amino-3-(2-brombenzyl)pent-3-...
The reaction of N-(2-Chloromethylphenyl)benzenesulfonamides (1) with N-benzylideneamines (2) gives 1...
A New Synthesis of Quinazolines. Part lll. Synthesis of 3 : 4-Quinazoloneylquinazolines
Nitroalkanes activated with polyphosphoric acid serve as efficient electrophiles in reactions with v...
Sodium borohydride has been found to reduce the cyclic imine double bond ( : C = N) in some 2-substi...