PHOTOCHROMIC DERIVATIVES OF 5'-HYDROXYMETHYL-6-NITRO-1',3',3'-TRIMETHYLSPIRO2N-1-BENZOPYRAN-2,2'-INDOLINE

摘要

FIELD: chemistry.;SUBSTANCE: invention relates to novel compounds in a series of indoline spirobenzopyrans (SP), specifically to ester derivatives 5’-hydroxymethyl-6-nitro-1’,3’,3’-trimethylspiro[2H-1-benzopyran-2,2’-indoline] of general formula ; ;where R = HS- (CH₂)_n-; where n = 1 (SP 1), n = 2 (SP 2), n = 10 (SP 3); HOOC(CH₂)₂SS(CH₂)₂-(SP 4); ; ;which can be used as photoactive complexing agents with quantum dots and metal cations.;EFFECT: invention can be used in nanophotonics for creating molecular switches, sensor devices, for detecting ions and for expanding the component base of molecular electronics devices.;2 cl, 1 tbl, 4 dwg, 7 ex