Starting from ethyl chlorosulfonylpyrazole-4-carboxylates we have carried out the synthesis of ketones 3 and 4 which are the first two structures of the novel 1H- and 2H-pyrazolo[3,4-c][2,1]benzothiazepine ring systems.
从
氯磺酰基
吡唑-4-羧酸乙酯开始,我们进行了酮3和4的合成,它们是新颖的1 H-和2 H-
吡唑并[3,4- c ] [2,1]苯并
硫氮杂ring环的前两个结构系统。