Synthesis of 9,10-phenanthrenequinones by photocyclization of derivatives of benzoins: Scope and limitation of the methodology

Synthetic Communications

Volumn 28, Issue 6, 1998, Pages 1051-1063

  Togashi, Denisio Masaharu ^a   Nicodem, David Ernest ^a   Marchiori, Roberto ^a   Marchiori, Maria Luisa P De F C ^a  

^a FEDERAL UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

BENZOIN; PHENANTHRENE DERIVATIVE; STILBENE;

ARTICLE; CYCLIZATION; HYDROLYSIS; ISOMERISM; METHODOLOGY; OXIDATION; SYNTHESIS;

EID: 0031956754     PISSN: 00397911     EISSN: None     Source Type: Journal    
DOI: 10.1080/00397919808003073     Document Type: Article

References (24)

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20. The yield of benzoin was 83%, 4,4′-dimethoxibenzoin was 75%, 4,4′-dichlorobenzoin was 67%, 4,4′-dimethylbenzoin was 61%, and 4-methoxy benzoin was 25%.
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22. 2O.
23. No ketal was obtained.
24. The same melting point and infrared spectra.