作者:Soizic Prado、Hervé Ledeit、Sylvie Michel、Michel Koch、Jacques Christian Darbord、Stewart T. Cole、François Tillequin、Priscille Brodin
DOI:10.1016/j.bmc.2006.03.033
日期:2006.8
access to 3,3-dimethyl-3Hbenzofuro[3,2-f][1]-benzopyran. Several derivatives modified at the pyran 1,2-double bond were prepared, including the corresponding dihydro compound and (+/-)-cis-diol, which was converted into diacetate and cyclic carbonate upon acylation. Both 3,3-dimethyl-3Hbenzofuro[3,2-f][1]benzopyran and 1,2-dihydro-3,3-dimethyl-3Hbenzofuro[3,2-f][1]benzopyran displayed significant activities
用3-氯-3-甲基-1-丁炔将2-羟基二苯并呋喃烷基化,然后进行克莱森重排,得到3,3-二甲基-3H苯并呋喃[3,2-f] [1]-苯并吡喃。制备了在吡喃1,2-双键处改性的几种衍生物,包括相应的二氢化合物和(+/-)-顺式-二醇,其在酰化后被转化为二乙酸酯和环状碳酸酯。3,3-二甲基-3H苯并呋喃[3,2-f] [1]苯并吡喃和1,2-二氢-3,3-二甲基-3H苯并呋喃[3,2-f] [1]苯并吡喃均显示出显着活性结核分枝杆菌H37Rv和Beijing菌株,MIC99在1-10 microg / ml的范围内。进一步的生物学研究表明,抗药性分枝杆菌菌株具有良好的活性。这些化合物似乎是有前途的特定抗结核药,