Ring transformations of heterocyclic compounds. XXIII [1]. The UV irradiation product of photochromic 2,4,6-triaryl-1 - (spiro[2H-1-benzopyran-2,2′-indoline]-6-yl)pyridinium salts - A phenolate betaine or a pyridinium substituted merocyanine dye?

Journal of Heterocyclic Chemistry

Volumn 40, Issue 4, 2003, Pages 611-616

  Zimmermann, Thomas ^a   Brede, Ortwin ^a  

^a UNIVERSITY OF LEIPZIG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

1 [SPIRO(2H 1 BENZOPYRAN 2,2' INDOLINE) 6 YL]PYRIDINIUM SALT; 1,3,3 TRIMETHYL 2 METHYLENEINDOLINE; 5 NITROSALICYLALDEHYDE; 6 NITROSPIRO(2H 1 BENZOPYRAN 2,2' INDOLINE); BENZOPYRAN DERIVATIVE; BETAINE; DYE; HETEROCYCLIC COMPOUND; INDOLE DERIVATIVE; MEROCYANINE; PERCHLORATE; PHENOL; PYRIDINIUM DERIVATIVE; SALICYLALDEHYDE; SOLVENT; STANNOUS CHLORIDE; UNCLASSIFIED DRUG;

ARTICLE; PHOTOCHEMISTRY; REDUCTION; RING OPENING; SYNTHESIS; ULTRAVIOLET IRRADIATION;

EID: 0141842669     PISSN: 0022152X     EISSN: None     Source Type: Journal    
DOI: 10.1002/jhet.5570400409     Document Type: Article

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