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Kobayashi, Y.1
Miyazaki, H.2
Shiozaki, M.3
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13
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85038537282
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note
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7. Other selenium reagents such as PhSeCl, PhSeBr, and PhSeOTf frequently generated the undesired haloselenide or hydroxyselenide.
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14
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85038528596
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note
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3) δ 1.73-1.86 (m, 1 H), 1.95-2.09 (m, 1 H), 2.18-2.28 (m, 1 H), 2.43-2.57 (m, 1 H), 3.61 (s, 1 H), 4.36 and 4.64 (ABq, J = 8.3 Hz, 2 H), 4.56-4.60 (m, 1 H), 5.98-6.02 (m, 1 H), 6.08-6.12 (m, 1 H), 7.05-7.10 (m, 4 H), 7.17-7.30 (m, 6 H). All new compounds gave satisfactory spectroscopy and/or microanatytical data.
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15
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85038536835
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note
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10. Unlike the oxyselenenylation of cyclopentene at the first step, N-PSP gave a poor result in the intramolecular oxyselenenylation.
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16
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0001632904
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11 Liotta, D.; Zima, G.; Saindane, M. J. Org. Chem. 1982, 47, 1258.
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(1982)
J. Org. Chem.
, vol.47
, pp. 1258
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Liotta, D.1
Zima, G.2
Saindane, M.3
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17
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0030065102
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12. Kim, K. S.: Park, H. B.; Kim, J. Y.; Ahn, Y. H.; Jeong, I. H. Tetrahedron Lett. 1996, 37, 1249.
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(1996)
Tetrahedron Lett.
, vol.37
, pp. 1249
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Kim, K.S.1
Park, H.B.2
Kim, J.Y.3
Ahn, Y.H.4
Jeong, H.I.5
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18
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85038538092
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note
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13. Although selenide 3 could be isolated as a pure form, a substantial amount of 3 was lost during purification by column chromatography on silica gel.
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19
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85038538023
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note
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3) 5 2.35-2.42 (m, 1 H), 2.88-2.94 (m, 1 H), 4.29 (d, J = 8.7 Hz, 1 H), 4.33-4.45 (m, 1 H), 4.48-4.56 (m, 1 H), 4.58 (d, J = 8.7 Hz, 1 H), 5.92-5.98 (m, 1 H), 6.13-6.19 (m, 1 H), 6.91-7.10 (m, 10 H).
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21
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85038530728
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note
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1H NMR (DMSO) δ 1.75 (brs, 2 H), 3.64 (brs, 2 H), 3.94 (brs, 2 H) 4.31 (s, 2 H), 4.66 (s, 2 H).
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22
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85038533175
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note
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3) δ 3.76-3.84 (m, 2 H), 4.00-4.08 (m, 2 H), 4.29 (dd, J = 4.7, 0.9 Hz, 1 H), 4.35 and 4.45 (ABq, J = 8.9 Hz, 2 H), 4.64 and 4.70 (ABq, J = 12.3 Hz, 2 H), 4.90 (dd, J = 7.8, 4.7 Hz, 1 H), 5.05 (t, J = 4.7 Hz, 1 H), 6.83-7.42 (m, 20 H).
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23
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85038537704
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note
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3) δ 3.01 (brs, 1 H), 3.09 (s, 3 H), 3.45 (s. 3 H), 3.68 (d, J = 4.2 Hz, 1 H), 4.07-4.21 (m, 2 H), 4.40 (dd, J = 9.5, 4.8 Hz, 1 H), 4.49 and 4.78 (ABq, J = 9.2 Hz, 2 H), 5.65 (dd, J = 9.5, 7.2 Hz, 1 H), 6.97-7.06 (m, 4 H), 7.15-7.25 (m, 6 H).
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