1·The radical 2 as an electron donor underwent a rapid photo-induced redox reaction in carbon tetrachloride leading to the formation of the corresponding piperidine hydroxylamine hydrochloride.
自由基2作为电子给体在四氯化碳中可发生光诱导的氧化还原反应，导致生成相应的哌啶羟胺盐酸盐；
2·The compounds have the connecting ring structures of piperazine or piperidine, have notable antitumor activity, and provide a new choice for preparing antitumor drugs in clinical practice.
该类化合于具有哌嗪或哌啶的连接环结构，且具有显著的抗肿瘤活性，为临床上制备抗肿瘤药物提供了新的选择。