Use of 4-cyanocoumarins as dienophiles in a facile synthesis of highly substituted dibenzopyranones

Organic Letters

Volumn 11, Issue 3, 2009, Pages 757-760

  Jung, Michael E ^a   Allen, Damian A ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKENE; BENZOPYRAN DERIVATIVE; COUMARIN DERIVATIVE;

ARTICLE; CHEMICAL STRUCTURE; CHEMISTRY; CYCLIZATION; SYNTHESIS;

ALKENES; BENZOPYRANS; COUMARINS; CYCLIZATION; MOLECULAR STRUCTURE;

EID: 60849134860     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol802792g     Document Type: Article

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23. The stereochemistry was confirmed through an X-ray crystal structure analysis of the product 16 of methylation of 8n.