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Volumn , Issue 15, 2008, Pages 2257-2262

K-10 clay-catalyzed enol-driven decarboxylative ring-transformation approach to dihydro- and tetrahydroquinolines from carbohydrates

Author keywords

1,3 oxazin 2 ones(thiones); Carbohydrates; Microwaves; Mineral catalyzed; Quinolines; Solvent free

Indexed keywords

GLUCOSE; QUINOLINE DERIVATIVE; TETRAHYDROQUINOLINE DERIVATIVE; UNCLASSIFIED DRUG; XYLOSE;

EID: 53149098200     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2008-1078277     Document Type: Article
Times cited : (7)

References (62)
  • 15
    • 53149116523 scopus 로고    scopus 로고
    • U.S. Patent 20050164030A1, 2005
    • (c) Knowles, D. B.; Kwong, R. U.S. Patent 20050164030A1, 2005.
    • Knowles, D.B.1    Kwong, R.2
  • 25
    • 84944053662 scopus 로고    scopus 로고
    • Katritzky, A. R, Rees, C. W, Eds, Pergamon: New York
    • (g) Jones, G. In Comprehensive Heterocyclic Chemistry II, Vol. 5; Katritzky, A. R.; Rees, C. W., Eds.; Pergamon: New York, 1996, 167.
    • (1996) Comprehensive Heterocyclic Chemistry II , vol.5 , pp. 167
    • Jones, G.1
  • 28
  • 60
    • 53149094216 scopus 로고    scopus 로고
    • General Procedure for the Synthesis of 1,3-Oxazin-2-ones(thiones) 4: Thoroughly mixed D-xylose/D-glucose 1 (1 mmol, semicarbazide hydrochloride/thiosemicarbazide 2 (1 mmol, sodium acetate (1 mmol) and montmorillonite K-10 clay (0.10 g) in a 20-mL vial were subjected to microwave irradiation in a CEM Discover Focused Microwave Synthesis System for 10 min at 90°C. After completion of the reaction as indicated by TLC, H2O (10 mL) was added to precipitate the crude product, which was recrystallized from EtOH to afford analytically pure sample of 4. Characterization Data of Representative Compounds: Compound 4a: white solid; yield: 82, mp 145-148°C.
    • 4S: C, 41.37; H, 4.46; N, 6.89. Found: C, 41.68; H, 4.31; N, 7.08.
  • 62
    • 53149137287 scopus 로고    scopus 로고
    • 6)


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.