-
3
-
-
0013031113
-
-
4e from the photolysis of thiones derivatives. C-C bond formation has been exploited mainly for polymerization
-
4e from the photolysis of thiones derivatives. C-C bond formation has been exploited mainly for polymerization.
-
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10
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0035912323
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(b) Kita Y., Nambu H., Ramesh N.G., Anilkwmar G., Matsugi M. Org. Lett. 3:2001;1157.
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Matsugi, M.5
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14
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0012971758
-
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See for example the literature quoted in Ref. 8b
-
See for example the literature quoted in Ref. 8b.
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19
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0001623793
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(d) Saegusa T., Tsuda T., Yazawa T., Watanabe K., Fujii T. J. Org. Chem. 46:1981;192.
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21
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(f) Wipf P., Xu W., Smitrovich J.H., Lehmann R., Venanzi L.M. Tetrahedron. 50:1994;1935.
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26
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0001241069
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(d) Russell G.A., Shi Z., Jiang W., Hu S., Kim B.H., Baik W. J. Am. Chem. Soc. 117:1995;3952.
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32
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0013030449
-
-
Compound 3bk was liable to trans-acetalization and oxidation; see Section 5.© 2001 Elsevier Science Ltd.
-
Compound 3bk was liable to trans-acetalization and oxidation; see Section 5.
-
-
-
-
33
-
-
0012935021
-
-
NMR spectra of lactols 5 showed no signals attributable to open-chain γ-hydroxyaldehydes and the equilibrium in Scheme 3 was almost completely shifted to the hemiacetalic form
-
NMR spectra of lactols 5 showed no signals attributable to open-chain γ-hydroxyaldehydes and the equilibrium in Scheme 3 was almost completely shifted to the hemiacetalic form.
-
-
-
-
34
-
-
0012928586
-
-
2-Alkyl-2-dioxolanyl radicals can also undergo ring opening, just as the corresponding cations formed by electron transfer to the sensitiser. As a result small amounts of the corresponding ethyl esters and, respectively, of the hydroxyethyl esters were observed, see Ref. 12b
-
2-Alkyl-2-dioxolanyl radicals can also undergo ring opening, just as the corresponding cations formed by electron transfer to the sensitiser. As a result small amounts of the corresponding ethyl esters and, respectively, of the hydroxyethyl esters were observed, see Ref. 12b.
-
-
-
-
35
-
-
0012971983
-
-
When hydrogen abstraction is inefficient, radical-radical coupling between the adduct radical and the ketyl radical from the sensitiser occurred to some extent (small amount of compounds of such structure were detected by NMR as impurities of the alkylated products in some fractions from column chromatography)
-
When hydrogen abstraction is inefficient, radical-radical coupling between the adduct radical and the ketyl radical from the sensitiser occurred to some extent (small amount of compounds of such structure were detected by NMR as impurities of the alkylated products in some fractions from column chromatography).
-
-
-
-
36
-
-
0030575359
-
-
Under suitable irradiation conditions the aldehydic excited group is able to abstract hydrogen from 1,3-dioxolanes in an intramolecular fashion. See:
-
Under suitable irradiation conditions the aldehydic excited group is able to abstract hydrogen from 1,3-dioxolanes in an intramolecular fashion. See: Freeman-Cook K.D., Halcomb R.L. Tetrahedron Lett. 37:1996;4883.
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Freeman-Cook, K.D.1
Halcomb, R.L.2
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40
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0013033592
-
-
Unpublished results from the authors laboratory
-
Unpublished results from the authors laboratory.
-
-
-
-
41
-
-
0029586178
-
-
Recently, lactones were obtained in the benzophenone photosensitised reactions of β,γ-unsaturated esters in the presence of several alcohols. See
-
Recently, lactones were obtained in the benzophenone photosensitised reactions of β,γ-unsaturated esters in the presence of several alcohols. See Kajano A., Yajima Y., Akazome M., Fujita M., Ogura K. Bull. Chem. Soc. Jpn. 68:1995;3599.
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Kajano, A.1
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Fujita, M.4
Ogura, K.5
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46
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84985250855
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For a review on the synthesis and applications of some monoprotected dialdehydes see:
-
For a review on the synthesis and applications of some monoprotected dialdehydes see: Botteghi C., Soccolini F. Synthesis. 1985;592.
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Botteghi, C.1
Soccolini, F.2
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47
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0025219656
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Deslongchamps P., Bélanger A., Berney D.J.F., Borschberg H.J., Brousseau R., Doutheau A., Durand R., Katayama H., Lapalme R., Leturc D.M., Liau C.C., MacLachan F.N., Maffrand J.P., Marazza F., Martino R., Moreau C., Ruest L., Saint-Laurent L., Saintonge R., Soucy P. Can. J. Chem. 68:1990;127.
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Deslongchamps, P.1
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Brousseau, R.5
Doutheau, A.6
Durand, R.7
Katayama, H.8
Lapalme, R.9
Leturc, D.M.10
Liau, C.C.11
MacLachan, F.N.12
Maffrand, J.P.13
Marazza, F.14
Martino, R.15
Moreau, C.16
Ruest, L.17
Saint-Laurent, L.18
Saintonge, R.19
Soucy, P.20
more..
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49
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37049101649
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-
(c) Forbes C.P., Schoeman W.J., Strauss H.F., Venter E.M.M., Wenteler G.L., Wiechers A. J. Chem. Soc., Perkin Trans. 1. 1980;906.
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Venter, E.M.M.4
Wenteler, G.L.5
Wiechers, A.6
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50
-
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0029838260
-
-
For recent applications of lactols in organic synthesis, see: (a) Rychnovsky S.D., Dahanukar V.H. J. Org. Chem. 61:1996;7648 (b) Paquette L.A., Lanter J.C., Johnston J.N. J. Org. Chem. 62:1997;1702 (c) Schmitt A., Reissig H.-U. Eur. J. Org. Chem. 2000;3893.
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Rychnovsky, S.D.1
Dahanukar, V.H.2
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51
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0000365337
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For recent applications of lactols in organic synthesis, see: (a) Rychnovsky S.D., Dahanukar V.H. J. Org. Chem. 61:1996;7648 (b) Paquette L.A., Lanter J.C., Johnston J.N. J. Org. Chem. 62:1997;1702 (c) Schmitt A., Reissig H.-U. Eur. J. Org. Chem. 2000;3893.
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Paquette, L.A.1
Lanter, J.C.2
Johnston, J.N.3
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52
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0033676341
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For recent applications of lactols in organic synthesis, see: (a) Rychnovsky S.D., Dahanukar V.H. J. Org. Chem. 61:1996;7648 (b) Paquette L.A., Lanter J.C., Johnston J.N. J. Org. Chem. 62:1997;1702 (c) Schmitt A., Reissig H.-U. Eur. J. Org. Chem. 2000;3893.
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Schmitt, A.1
Reissig, H.-U.2
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0035951954
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Hayat S., Rahman A., Choudhary M.I., Khan K.M., Bayer E. Tetrahedron Lett. 42:2001;1647. and references cited therein.
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54
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33746471166
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For recent synthesis of lactones see: (a) Collins I. J. Chem. Soc., Perkin Trans. 1. 1999;1377 (b) El Ali B., Alper H. Synlett. 2000;161 (c) Harcken C., Brueckner R. Angew. Chem., Int. Ed. Engl. 36:1997;2750. and references cited therein.
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Collins, I.1
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55
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0033964269
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For recent synthesis of lactones see: (a) Collins I. J. Chem. Soc., Perkin Trans. 1. 1999;1377 (b) El Ali B., Alper H. Synlett. 2000;161 (c) Harcken C., Brueckner R. Angew. Chem., Int. Ed. Engl. 36:1997;2750. and references cited therein.
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Synlett
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-
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El Ali, B.1
Alper, H.2
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56
-
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0032491849
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and references cited therein
-
For recent synthesis of lactones see: (a) Collins I. J. Chem. Soc., Perkin Trans. 1. 1999;1377 (b) El Ali B., Alper H. Synlett. 2000;161 (c) Harcken C., Brueckner R. Angew. Chem., Int. Ed. Engl. 36:1997;2750. and references cited therein.
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Harcken, C.1
Brueckner, R.2
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Niija K., Olsson R.A., Thompson R.D., Silvia S.K., Ueeda M. J. Med. Chem. 35:1992;4557.
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Niija, K.1
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Ueeda, M.5
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60
-
-
0013011969
-
-
Purity was determined by UV spectra with comparison with a benzophenone solution
-
Purity was determined by UV spectra with comparison with a benzophenone solution.
-
-
-
-
63
-
-
0025219656
-
-
Deslongchamps P., Bélanger A., Berney D.J.F., Borschberg H.J., Brousseau R., Doutheau A., Durand R., Katayama H., Lapalme R., Leturc D.M., Liau C.C., MacLachan F.N., Maffrand J.P., Marazza F., Martino R., Moreau C., Ruest L., Saint-Laurent L., Saintonge R., Soucy P. Can. J. Chem. 68:1990;127.
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(1990)
Can. J. Chem.
, vol.68
, pp. 127
-
-
Deslongchamps, P.1
Bélanger, A.2
Berney, D.J.F.3
Borschberg, H.J.4
Brousseau, R.5
Doutheau, A.6
Durand, R.7
Katayama, H.8
Lapalme, R.9
Leturc, D.M.10
Liau, C.C.11
MacLachan, F.N.12
Maffrand, J.P.13
Marazza, F.14
Martino, R.15
Moreau, C.16
Ruest, L.17
Saint-Laurent, L.18
Saintonge, R.19
Soucy, P.20
more..
-
64
-
-
37049101649
-
-
Forbes C.P., Schoeman W.J., Strauss H.F., Venter E.M.M., Wenteler G.L., Wiechers A. J. Chem. Soc., Perkin Trans. 1. 1980;906.
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(1980)
J. Chem. Soc., Perkin Trans. 1
, pp. 906
-
-
Forbes, C.P.1
Schoeman, W.J.2
Strauss, H.F.3
Venter, E.M.M.4
Wenteler, G.L.5
Wiechers, A.6
-
71
-
-
0012989024
-
-
note
-
13C NMR spectra of the demethylated analogues of cis and trans 6eq, see Ref 41b,c. cis:
-
-
-
-
72
-
-
0035965117
-
-
trans
-
(b) Bolh C., Beckmann O., Kuehn T., Palazzi C., Adam W., Bheema Rao P., Saha-Moeller C.R. Tetrahedron: Asymmetry. 12:2001;2441. trans:
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Tetrahedron: Asymmetry
, vol.12
, pp. 2441
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Bolh, C.1
Beckmann, O.2
Kuehn, T.3
Palazzi, C.4
Adam, W.5
Bheema Rao, P.6
Saha-Moeller, C.R.7
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