Heterocycles p. 2521 - 2528 (1998)
Update date:2022-08-02
Topics:
Rho, Kee Yoon
Kim, Joong Hyup
Kim, Sung Hoon
Yoon, Cheol Min
Pyrido[2,3-d]pyrimidines (5a-h) were regioselectively synthesized by the reaction of 5-iodo-6-(dimethylaminomethylene)amino-1,3-dimethyluracil(3), which was prepared from the reaction of 6-amino-1,3-dimethyluracil with dimethylformamide dimethyl acetal followed by iodination, with various olefins (4a-h) in the presence of a catalytic amount of Pd(OAc)2, Cul, and K2CO3 in DMF at 100 °C.
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