Determination of the photochemical efficiency of o-quinodimethane ring closure in room-temperature solutions by using time-delayed, two-color photolysis technique

Journal of Organic Chemistry

Volumn 65, Issue 8, 2000, Pages 2350-2357

  Ouchi, Akihiko ^a   Sakuragi, Masako ^a   Kitahara, Haruo ^b   Zandomeneghi, Maurizio ^c  

^a NATL INST OF MAT AND CHEM RES   (Japan)

^b HIROSAKI UNIVERSITY   (Japan)

^c UNIVERSITY OF PISA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

BENZENE DERIVATIVE; METHANE; QUINODIMETHANE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL ANALYSIS; EXCIMER LASER; PHOTOCHEMISTRY; PHOTOLYSIS; POLYMERIZATION; TEMPERATURE;

EID: 0034697110     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo991518s     Document Type: Article

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36. The yields of the cycloadduct of 3 and 14 were 81.6 ± 0.8% (100 equivof 13) and 81.4 ± 1.4% (200 equiv of 13).
37. The figures with horizontal axes in linear scale are shown in Supporting Information.
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39. 10a of 4 and 5 were 0.6 (+0.6, -0.8) % and 1.4 (+1.1, -1.0) % for the KrF laser, 9.9 (+1.4, -1.0) % and 0 (+0.6, -1.0) % for the XeCl laser, O (+1.6, -0.9) % and 0 (+0.7, -1.1) % for the XeF laser.
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41. The leveling off of the yield of 4 is clearly observed when the delay time is shown in a linear scale. Cf. Supporting Information.
42. Cf. Excitation spectrum of 3 in ref 4a,b.
43. Reference 8b, Supporting Information.