The photochemistry of o-benzylbenzophenone: A pericyclic cornucopia

Tetrahedron Letters

Volumn 39, Issue 17, 1998, Pages 2523-2526

  Sobczak, Martin ^a   Wagner, Peter J ^a  

^a MICHIGAN STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BENZOPHENONE DERIVATIVE; CYCLOBUTANE DERIVATIVE; KETONE; MALEIC ANHYDRIDE; ORTHO XYLENE; OXYGEN;

ARTICLE; CHEMICAL REACTION; CYCLIZATION; DIMERIZATION; MOLECULAR STABILITY; PHOTOCHEMISTRY; STEREOCHEMISTRY; TEMPERATURE; TRANS ISOMER; ULTRAVIOLET IRRADIATION;

EID: 0032560082     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)00405-5     Document Type: Article

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22. -2 M samples in deuterated solvents were irradiated in Pyrex NMR tubes sealed with Teflon-wrapped septa. Light sources were either a Pyrex filtered 450-W mercury arc or a Rayonet reactor with 300 nm lamps.
23. 6) c-CB, δ 67.0, 87.3, 123.2, 125.0, 126.5, 127.2, 127.5, 127.6, 128.5, 128.6, 130.0, 130.1, 138.8, 141.0, 144.4, 148.9; t-CB, δ 66.1, 92.1, 123.3, 124.7, 125.9, 127.0, 127.5, 127.9, 128.0, 128.5, 129.0, 129.1, 139.5, 140.8, 144.8. 150.2.
24. 4, as expected for xylylenes; the final OD, after the 0.01 M c-CB had reverted to oBnBP, was 0.1.
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