Spirooxazine is one of photochromic materials which find important uses in photochromic lens.optical information storage,and so on.The spirooxazine compound 6cyano1,3,3trimethylspiroindolino2,3naphthaoxazine...Spirooxazine is one of photochromic materials which find important uses in photochromic lens.optical information storage,and so on.The spirooxazine compound 6cyano1,3,3trimethylspiroindolino2,3naphthaoxazine]and 6 piperidino1,3,3trimethylspironaphthaoxazine]were synthesized with microwave irradiation.The reaction proceeded rapidly compared with conventional method and was completed in 4 min and with a high yield.展开更多
The synthesis of an new photochromical compound,1,3,3 trimethyl 6′ (1 piperidinyl) spiro[2h indole 2,3′ [3H]pyridobenzoxazine (SP3),and an improved way for the synthesis of 6 hydroxyquinoline were descrided.The abso...The synthesis of an new photochromical compound,1,3,3 trimethyl 6′ (1 piperidinyl) spiro[2h indole 2,3′ [3H]pyridobenzoxazine (SP3),and an improved way for the synthesis of 6 hydroxyquinoline were descrided.The absorption spectrum of the colored metastable form SP3 shows prominent absorption peak at 560nm at 60℃?展开更多
A novel photochromical compound,1-(4-bromobutyl)-3,3-dimethylspiro[indoline-2,3,-naphth-oxazine was synthesized and its structure was confirmed on the basis of IR,MS,1H NMR.The spectra of the compound were studied and...A novel photochromical compound,1-(4-bromobutyl)-3,3-dimethylspiro[indoline-2,3,-naphth-oxazine was synthesized and its structure was confirmed on the basis of IR,MS,1H NMR.The spectra of the compound were studied and the results showed that it had good photochromic properties.The thermal decay rate of the photochromic film prepared by mixing the compound with PMMA was decreased with good fatigue resistant property and good repeatability.展开更多
文摘Spirooxazine is one of photochromic materials which find important uses in photochromic lens.optical information storage,and so on.The spirooxazine compound 6cyano1,3,3trimethylspiroindolino2,3naphthaoxazine]and 6 piperidino1,3,3trimethylspironaphthaoxazine]were synthesized with microwave irradiation.The reaction proceeded rapidly compared with conventional method and was completed in 4 min and with a high yield.
文摘The synthesis of an new photochromical compound,1,3,3 trimethyl 6′ (1 piperidinyl) spiro[2h indole 2,3′ [3H]pyridobenzoxazine (SP3),and an improved way for the synthesis of 6 hydroxyquinoline were descrided.The absorption spectrum of the colored metastable form SP3 shows prominent absorption peak at 560nm at 60℃?
文摘A novel photochromical compound,1-(4-bromobutyl)-3,3-dimethylspiro[indoline-2,3,-naphth-oxazine was synthesized and its structure was confirmed on the basis of IR,MS,1H NMR.The spectra of the compound were studied and the results showed that it had good photochromic properties.The thermal decay rate of the photochromic film prepared by mixing the compound with PMMA was decreased with good fatigue resistant property and good repeatability.
