In one embodiment the present invention encompasses 4-(2,6-dichloropyrimidin-4-yloxy)-3,5-dimethylbenzonitrile ("ΕTHER"), 4-(4,6-dichloropyrimidm-2-yloxy)-3,5-dimethyl-benzonitrile ("ETHER C-2 isomer"), mixtures and salts thereof of. The present invention encompasses the use of ETHER and salts thereof to prepare Etravirine and Etravirine intermediates, and salts thereof. In another embodiment the present invention encompasses the use of ETHER and salts thereof to prepare debrometravirine ("DEBETV") and salts thereof. In yet another embodiment the present invention encompasses the use of ETHER and salts thereof to prepare 4-(6-chloro-2-(4-cyanophenylamino)pyrimidin-4-yloxy)-3,5-dimethyl-benzonitrile("ARCPBN") and salts thereof. The compound, 4-(2,6-dichloropyrimidin-4-yloxy)-3,5-dimethylbenzonitrile "ETHER" of formula (A) wherein n is either 0 or 1 and HA is an acid.
在一种实施方式中,本发明涵盖了4-(2,6-二
氯吡咯啉-4-氧基)-3,5-二甲基
苯甲腈("ETHER"),4-(4,6-二
氯吡咯啉-2-氧基)-3,5-二甲基
苯甲腈("ETHER C-2异构体"),以及它们的混合物和盐。本发明涵盖了使用ETHER及其盐来制备Etravirine和Etravirine中间体,以及它们的盐。在另一种实施方式中,本发明涵盖了使用ETHER及其盐来制备debrometravirine("DEBETV")及其盐。在另一种实施方式中,本发明涵盖了使用ETHER及其盐来制备4-(6-
氯-2-(4-
氰基苯基
氨基)
吡咯啉-4-氧基)-3,5-二甲基
苯甲腈("ARCPBN")及其盐。化合物4-(2,6-二
氯吡咯啉-4-氧基)-3,5-二甲基
苯甲腈“ETHER”的
化学式(A)中,n为0或1,HA为酸。