A one-pot synthesis of functionalized 2,2-disubstituted 2H-1-benzopyrans

Tetrahedron Letters

Volumn 39, Issue 52, 1998, Pages 9671-9674

  Cossy, Janine ^a   Rakotoarisoa, Haja ^a   Kahn, Philippe ^a   Desmurs, Jean Roger ^b  

^a CNRS   (France)

^b SANOFI   (France)

Author keywords

Acetals; Aldehydes; Benzopyrans; Cyclization

Indexed keywords

BENZOPYRAN DERIVATIVE; HYDROQUINONE DERIVATIVE;

ARTICLE; CONFORMATIONAL TRANSITION; CYCLIZATION; POLYMERIZATION; STRUCTURE ANALYSIS; SYNTHESIS;

EID: 0032564555     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)02266-7     Document Type: Article

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19. 19. Acetal 3c was furnished by Rhône-Poulenc Industrialisation.
20. 20. Dienyl acetate 7 was furnished by Rhône-Poulenc Industrialisation.
21. 3-Ar). MS (EI, 70eV): m/z 245 (100), 204 (12), 203 (87), 202 (16), 173 (9), 159 (10).