1979
DOI: 10.1021/ja00507a050
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S1 vs. T2 photoreactivity of .beta.,.gamma.-unsaturated ketones. Temperature dependent photo-CIDNP of 2-cyclopentenyl methyl ketones

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Cited by 25 publications
(3 citation statements)
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“…-13C-NMR. '): 16,5,17,9,18,0,20,0,25,9,26,3 (6 qa,6 CH3);44,9 (t, C (6)); 109,6 (I, CH>=C(CH3)); 44,5 (d, C (7)); 121, 5, 122,4, 12?,4 ( 3 4 C(3), C(4), C (8)); 131, 7, 132,5, 134,O (3s, c(2), CH2=C(CH3), C (9)); 148,6 c (5)). -MS.: 218 (7, Mt, C16H?6), 110 (12), 109 (loo), 81 (ll), 67 (25), 55 (lo), 43 (12), 41 (12).…”
Section: -Isopropyl-5-mefhyl-4-hexen-2-onmentioning
confidence: 99%
See 1 more Smart Citation
“…-13C-NMR. '): 16,5,17,9,18,0,20,0,25,9,26,3 (6 qa,6 CH3);44,9 (t, C (6)); 109,6 (I, CH>=C(CH3)); 44,5 (d, C (7)); 121, 5, 122,4, 12?,4 ( 3 4 C(3), C(4), C (8)); 131, 7, 132,5, 134,O (3s, c(2), CH2=C(CH3), C (9)); 148,6 c (5)). -MS.: 218 (7, Mt, C16H?6), 110 (12), 109 (loo), 81 (ll), 67 (25), 55 (lo), 43 (12), 41 (12).…”
Section: -Isopropyl-5-mefhyl-4-hexen-2-onmentioning
confidence: 99%
“…5-10% weist das Spektrum auch die Signale der 1,3-Diketonform auf. Davon sind ersichtlich : 18,3, 25,9, 28,3 (3 qa); 40,5 (d, C(5)); 66,5 121 (32), 112 (45), 111 (27), 97 (35),93 (12), 71 (lo), 69 (14), 55 (17), 43 (IOO), 41 (31). 2870~1, 1705s, 1460m, 1445m, 1420m S , 1385m, 1375m, 1365m, 1350s, 1275w, 1215m, 1195m, 1155m, 1125w, 1095w, 955w, 935w.…”
unclassified
“…Although these two kinds of photoreactions are characteristic of their excited states, i.e., [1,3]-acyl shift from singlet and oxadi-π-methane rearrangement from triplet states, respectively, a mixture of products may be obtained due to indiscriminate population of either of the excited states during irradiation. The reaction mechanism of oxadi-π-methane rearrangement and [1,3]-acyl shift have been studied in great detail, and a correlation between excited state spin multiplicity and electronic configuration with reaction type has been established. 30b,
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Section: Resultsmentioning
confidence: 99%