Efficient synthesis of 5,6-dihydrothieno[3',2':4,5] thieno[2,3-d]pyrimidin-4(3H)-ones via an iminophosphorane
Yu Lu Chen, Yi Bo Nie, Ming Wu Ding
Efficient synthesis of 5,6-dihydrothieno[3',2':4,5] thieno[2,3-d]pyrimidin-4(3H)-ones via an iminophosphorane
Yu Lu Chen, Yi Bo Nie, Ming Wu Ding
中国化学快报 . 2009, (09): 1055 -1058 .  DOI: 10.1016/j.cclet.2009.04.004