| 摘要 |
Quinoxalinecarbohydrazone-1,4-dioxides have formula (I) (where R1 = 1-4C, R2 and R3 are indep. H, halogen, 1-6C alkyl or alkoxy, CF3, NH2 or NHAc, or R2+R3 = -OCH20-; aliphatic residue, 7-10C araliphatic residue or 3-7C cycloaliphatic residue opt. substd. by OH, alkoxy, NH2, NHalk, halogen, COOH, CONH2, CN or esters; R5-R4 or aromatic or opt. substd. heterocycle; R4+R5= opt. N- or O-containing and opt. substd. 4-7 membered ring. (I) are prepd. from the corresponding carbohydrazides and ketone. |
