共 50 条
- [33] Synthesis of 6-substituted 5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidine-2,4-diones and 2-thioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-ones Russian Chemical Bulletin, 2008, 57 : 1543 - 1546
- [36] SYNTHESIS OF PYRIDO[2,3-D]PYRIMIDINE-2,4-DIONES FROM PYRIMIDO[4,5-E]-1,2,4-TRIAZINE-6,8-DIONES BY MEANS OF INVERSED AZADIENE REACTION KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII, 1990, (02): : 224 - 233
- [39] A ONE-STEP SYNTHESIS OF 2,4-DISUBSTITUTED PYRIMIDO[4,5-D]PYRIMIDINES ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1986, 192 : 60 - ORGN