New nitrones of 5,5-dimethyl-1-pyrroline N-oxide (DMPO)-type, 3-hydroxymethyl-5,5-dimethyl-1-pyrroline N-oxide (3HM-DMPO) and 3-(3-hydroxypropyl)-5,5-dimethyl-1-pyrroline N-oxide (3HP-DMPO), were synthesized and tested for the ability in radical trapping of oxygen-centered radicals. 3HM-DMPO trapped superoxide but did not hydroxyl radicals, whereas 3HP-DMPO served as a trap for both radicals.
新型的5,
5-二甲基-1-
吡咯啉N-氧化物(
DMPO)类化合物,即3-羟甲基-5,
5-二甲基-1-
吡咯啉N-氧化物(3HM-
DMPO)和3-(3-羟基丙基)-5,
5-二甲基-1-
吡咯啉N-氧化物(3HP-
DMPO),被合成并测试了它们对氧中心自由基的捕获能力。3HM-
DMPO能够捕获超氧自由基但不能捕获羟基自由基,而3HP-
DMPO则能同时作为这两种自由基的捕获剂。