| 摘要 |
NEW MATERIAL:A compound of formula I (R1 and R2 are each 1-6C alkyl, allyl, 1-6C alkoxyethyl, allyloxyethyl, phenoxyethyl, phenyl 1-3C alkyl, 1-8C alkoxycarbonyl 1-3C alkyl, etc.; R3 is H, 1-6C alkyl, allyl, benzyl, chlorobenzyl, nitrobenzyl, phenethyl, 1-6C alkoxycarbonyl-1-3C alkyl, etc.; where, in case R3 is H, R1 and R2 being other than methyl, ethyl, methoxyethyl and ethoxyethyl). EXAMPLE:A compound of formula II. USE:Dye for dyeing blue-green blue with outstanding light-resistant and sublimation fastness and alkali discharge-proofness, textile fibers such as of polyester and synthetic resins such as polystyrene, polyolefin, polyacrylate, polyamide- based ones. PREPARATION:A compound of formula R3-X (X is Cl or Br) is condensed, in the presence of a base, with a pyrroline compound of formula III.
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