3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol
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![3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/e5ca974b693c4b72824d3e99d3224d94.png "3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol")
3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol
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CAS No:
16111-07-2
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Formula:
C20H20N2O4
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Chemical Name:
3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol
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Synonyms:
1'-(2-HYDROXYETHYL)-3',3'-DIMETHYL-6-NITROSPIRO[1(2H)-BENZOPYRAN-2,2'-INDOLINE];3',3'-dimethyl-1'-(beta-hydroxyethyl)-6-nitrospiro[2h-1-benzopyran-2,2'-indoline];3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol;-yl}ethan-1-ol;JACS-16111-07-2;2-(3',3'-Dimethyl-6-nitrospiro[chroman-2,2'-indoline]-1'-yl)ethanol;3',3'-Dimethyl-1'-(-hydroxyethyl)-6-nitrospiro2H-1-benzopyran-2,2'-indoline;1-(2HYDROXYETHYL)03,3-DIMETHYLINDOLINO-6''-NITROBENZOPYRYLOSPIRAN
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CAS No:
3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol Basic Attributes
352.38
352.14200
Orange to Brown to Dark purple
29339900
Characteristics
78.52000
4.1
1.36
164-165°C
540.3±50.0 °C(Predicted)
280.57ºC
1.68
1.66E-12mmHg at 25°C
14.46±0.10(Predicted)
under inert gas (nitrogen or Argon) at 2-8°C
3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol Use and Manufacturing
1-(2-Hydroxyethyl)-33-dimethylindoline-6-nitrobenzospiropyran is a tri-state photochromic compound that produces optical output in response to chemical optical input. Under the irradiation of ultraviolet light, the colorless spiropyran configuration (SP) can be transformed into a purple partial cyanine configuration (ME). In addition, the SP is acidified and converted into yellow-green proton cyanine (MEH). When irradiated with visible light, the colored ME and MEH are converted to the colorless SP state. The same ME stored in the dark can be converted to SP state. ME is added with acid to generate MEH. MEH is converted to ME after alkali treatment. These studies on molecular application properties are being actively carried out.
Computed Properties
Molecular Weight:352.4
XLogP3:4.1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:2
Exact Mass:352.14230712
Monoisotopic Mass:352.14230712
Topological Polar Surface Area:78.5
Heavy Atom Count:26
Complexity:587
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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3',3'-Dimethyl-6-nitro-spiro[2H-1-benzopyran-2,2'-indoline]-1'-ethanol
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