We gratefully acknowledge financial support of this work by the National Key Project for Basic Research(2003CB114400,2003CB114406);the National Natural Science Foundation of China(Project No.20372023 and 20102001).
2, 7-Diaminothieno[2, 3-d:5, 4-d]dipyrimidine-4, 5(3H, 6H)diones 4 were synthesized by a facile synthetic method, which includes bis-aza-Wittig reaction of bis-iminophosphorane 1 with aromatic isocyanate to give bi...
The project was supported by the National Key Project for Basic Research (2003CB114400; 2003CB114406) and National Natural Science Foundation of China (20102001)
The title compound 3-benzyl-5-cyclohexylamino-6-phenyl-3,6-dihydro-1,2,3- triazolo[4,5-d]pyrimidin-7-one (C23H24N6O, Mr = 400.48) has been synthesized by means of tandem aza-Wittig reaction, and its crystal structur...