期刊
HETEROCYCLES
卷 85, 期 6, 页码 1417-1426出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-12-12466
关键词
2,4-Dichloroquinazoline; Bis(trichloromethyl) Carbonate; Triphenylphosphine Oxide; Anthranilonitrile; 2,4-Dichlorothieno[2,3-d]pyrimidine
资金
- National Natural Science Foundation of China [21076194]
2,4-Dichloroquinazolines were synthesized by the cyclization of anthranilonitrile using bis(trichloromethyl) carbonate (BTC) with the aid of catalytic amount of triphenylphosphine oxide (Ph3PO) at 120 degrees C. This method was also applied to the synthesis of 2,4-dichlorothieno[2,3-d]pyrimidine. The plausible mechanism is presented.
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