Stereoselective formation of dicondensed spiropyran product obtained from the reaction of excess Fischer base with salicylaldehydes: First full characterization by X-ray crystal structure analysis of a DC·acetone crystal

Tetrahedron

Volumn 61, Issue 28, 2005, Pages 6720-6725

  Keum, Sam Rok ^a   Ku, Byung Soo ^a   Shin, Jin Taek ^a   Jae, Jung Ko ^a   Buncel, Erwin ^b  

^a Korea University   (South Korea)

^b QUEEN S UNIVERSITY   (Canada)

Author keywords

Cyclic carbinol intermediate; Dicondensed spiropyran; Intramolecular H bonding; Single crystal X ray diffraction analysis; Stereoselective formation

Indexed keywords

4 (2 METHYLENE 1,3,3 TRIMETHYLINDOLIN 2' YL) 6 CARBOXYLIC 1',3',3' TRIMETHYLSPIRO[3,4 DIHYDRO 2H 1 BENZOPYRAN 2,2' INDOLINE]; BASE; FISCHER BASE; PYRAN DERIVATIVE; SALICYLALDEHYDE; SPIRO COMPOUND; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL REACTION; CRYSTAL STRUCTURE; HYDROGEN BOND; POLYMERIZATION; PRIORITY JOURNAL; STEREOCHEMISTRY; STRUCTURE ANALYSIS; X RAY DIFFRACTION;

EID: 20444474921     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tet.2005.05.005     Document Type: Article

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