共 50 条
- [31] RING TRANSFORMATIONS OF HETEROCYCLIC HALOGENO COMPOUNDS WITH NUCLEOPHILES .39. C-13 AND PROTON NUCLEAR MAGNETIC-RESONANCE INVESTIGATIONS ON MECHANISM OF RING TRANSFORMATION REACTION OF PYRIMIDINES INTO S-TRIAZINES JOURNAL OF ORGANIC CHEMISTRY, 1978, 43 (13): : 2682 - 2683
- [32] PYRIMIDINES .61. RING TRANSFORMATIONS IN REACTIONS OF HETEROCYCLIC-COMPOUNDS WITH NUCLEOPHILES - REACTIONS OF 4(6)-ALKOXY-1-ETHYL-PYRIMIDINIUM AND 4,6-DIALKOXY-1-ETHYL-PYRIMIDINIUM TETRAFLUOROBORATES WITH LIQUID-AMMONIA RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS-JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY, 1977, 96 (7-8): : 183 - 187
- [33] RING TRANSFORMATION IN REACTIONS OF HETEROCYCLIC HALOGENO COMPOUNDS WITH NUCLEOPHILES .13. CONVERSION OF SOME 5-SUBSTITUTED 4-CHLORO-2-PHENYLPYRIMIDINES INTO 4(5)-SUBSTITUTED 2-PHENYLIMIDAZOLES RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS, 1968, 87 (10): : 1089 - +
- [36] PYRIMIDINES .25. RING TRANSFORMATION IN REACTIONS OF HETEROCYCLIC-COMPOUNDS WITH NUCLEOPHILES .6. CONVERSION OF 4-SUBSTITUTED AND 2,4-DISUBSTITUTED PYRIMIDINES INTO PYRAZOLES AND 1,2,4-TRIAZOLES BY ACTION OF HYDRAZINE RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS, 1972, 91 (03): : 336 - +
- [37] RING TRANSFORMATIONS IN REACTIONS OF HETEROCYCLIC HALOGENO COMPOUNDS WITH NUCLEOPHILES .34. RING CONTRACTION OF 4-CHLOROPYRIMIDINE-1-OXIDES INTO ISOXAZOLES IN LIQUID-AMMONIA RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS-JOURNAL OF THE ROYAL NETHERLANDS CHEMICAL SOCIETY, 1974, 93 (02): : 58 - 61
- [39] RING TRANSFORMATIONS IN REACTIONS OF HETEROCYCLIC HALOGENO COMPOUNDS WITH NUCLEOPHILES .20. PYRIMIDINES .22. CONVERSION OF SOME 5-SUBSTITUTED 4-CHLORO-2-PHENYLPYRIMIDINES INTO OPEN-CHAIN COMPOUNDS BY POTASSIUM AMIDE IN LIQUID AMMONIA RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS, 1971, 90 (02): : 105 - +