87243-48-9Relevant academic research and scientific papers
ACETALS OF LACTAMS AND ACID AMIDES. 47.* INVESTIGATION OF THE BEHAVIOR OF SUBSTITUTED 6-(β-DIMETHYLAMINO)VINYL-4-PYRIMIDINONES IN ACID MEDIA. SYNTHESIS OF 3-CYANO-4-ANILINO-5-FORMYL-2-PYRIDONE AND 3-CHLORO-4-CYANOBENZONAPHTHYRIDINE
Yalysheva, N.Z.,Solov'eva, N.P.,Chistyakov, V.V.,Sheinker, Yu.N.,Granik, V.G.
, p. 909 - 914 (2007/10/02)
The hydrolysis of 1-substituted 5-cyano-6-(β-dimethylamino)vinyl-4-pyrimidinones in acidic media was studied.It was shown that the 1-benzyl derivative is converted to a mixture of α-cyano-4β-benzylamino-crotonamide and 3-cyano- and 3-carbamido-4-benzyl-amino-2-pyridones.The principal product in the hydrolysis of the 1-phenyl derivative is 3-cyano-4-anilino-5-formyl-2-pyridone.Cyclization of the latter by heating in phosphorus oxychloride leads to 3-chloro-4-cyanobenzonaphthyridine.
ACETALS OF LACTAMS AND ACID AMIDES. 40. SYNTHESIS AND HYDROLYTIC CLEAVAGE OF ONE-RING AND TWO-RING DERIVATIVES OF 4-PYRIMIDINONE
Granik, V. G.,Grizik, S. I.,Kiselev, S. S.,Chistyakov, V. V.,Anisimova, O. S.,Solov'eva, N. P.
, p. 434 - 439 (2007/10/02)
The reaction of 1-benzyl-5-cyano-6-dimethylaminomethylene-1,6-dihydro-4-pyrimidinone with acid leads to 5-benzyl-1,2,7,8-tetrahydropyridopyrimidine-1,8-dione, whereas the reaction with ammonia leads to a mixture of 3-cyano-4-benzylamino-2-pyridone
ACETALS OF LACTAMS AND ACID AMIDES. 38. SYNTHESIS OF PYRIMIDINE AND PYRIDINE DERIVATIVES ON THE BASIS OF THE REACTION OF ENAMINO AMIDES WITH AMIDE ACETALS
Granik, V. G.,Kaimanakova, S. I.
, p. 657 - 661 (2007/10/02)
Derivatives of 1-benzyl-4-pyrimidinones and 1-benzyl-6-pyrimidinones were synthesized by the reaction of α-cyano-β-N-benzylaminocrotonamide and α-cyano-β-aminocrotonic acid N-benzylamine with dimethylformamide diethylacetal.When 1-benzyl-5-cyano-6-(β-dimethylamino)vinyl-1,6-dihydro-4-pyrimidinone is heated in an alkaline medium, it is converted to 3-cyano-4-benzylamino-2-pyridone, from which a pyridopyrimidine derivative was synthesized.When 1-benzyl-5-cyano-4-(β-dimethylamino)vinyl-1,6-dihydro-6-pyrimidinone is heated in alkaline solution, it is converted to α-cyano-β-hydroxycrotonic acid N-benzylamide.
