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1
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0007930541
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(b) Danheiser, R. L.; Carini, D. J.; Fink, D. M.; Basak, A. Tetrahedron 1983, 39, 935. (c) Danheiser, R. L.; Fink, D. M. Tetrahedron Lett. 1985, 26 2513.
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(a) Danheiser, R. L.; Carini, D. J.; Basak, A. J. Am. Chem. Soc. 1981, 103, 1604. (b) Danheiser, R. L.; Carini, D. J.; Fink, D. M.; Basak, A. Tetrahedron 1983, 39, 935. (c) Danheiser, R. L.; Fink, D. M. Tetrahedron Lett. 1985, 26, 2513.
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(1981)
J. Am. Chem. Soc.
, vol.103
, pp. 1604
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Danheiser, R.L.1
Carini, D.J.2
Basak, A.3
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3
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0001249785
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For examples of the addition of allylsilanes to N-acyl iminium ions
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(b) Kraus, G. A.; Neuenschwander, K. J. Chem. Soc., Chem. Commun. 1982, 134. (c) Aratani, M.; Sawada, K.; Hashimoto, M. Tetrahedron Lett. 1982, 23, 3921. (d) Prasad, K.; Adlgasser, K.; Sharma, R.; Stutz, P. Heterocycles 1982, 19, 2099. (e) Hiemstra, H.; Speckamp, W. N. Tetrahedron Lett. 1983, 24, 1407. (f) Hiemstra, H.; Fortgens, H. P.; Speckamp, W. N. J. Chem. Soc. 1984, 25, 3115. (g) Hiemstra, H.; Klaver, W. J.; Moolenaar, M. J.; Speckamp, W. N. J. Chem. Soc. 1984, 25, 5453. (h) Hiemstra, H.; Klaver, W. J.; Speckamp, W. N. J. Org. Chem. 1984, 49, 1149. (i) Kozikowski, A. P.; Park, P. J. Chem. Soc. 1984, 49, 1674. (j) Gramain, J. C.; Remuson, R. Tetrahedron Lett. 1985, 26, 327.
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For examples of the addition of allylsilanes to N-acyl iminium ions, see: (a) Hart, D. J.; Tsai, Y.-M. Tetrahedron Lett. 1981, 22, 1567. (b) Kraus, G. A.; Neuenschwander, K. J. Chem. Soc., Chem. Commun. 1982, 134. (c) Aratani, M.; Sawada, K.; Hashimoto, M. Tetrahedron Lett. 1982, 23, 3921. (d) Prasad, K.; Adlgasser, K.; Sharma, R.; Stutz, P. Heterocycles 1982,19, 2099. (e) Hiemstra, H.; Speckamp, W. N. Tetrahedron Lett. 1983, 24, 1407. (f) Hiemstra, H.; Fortgens, H. P.; Speckamp, W. N. J. Chem. Soc. 1984, 25, 3115. (g) Hiemstra, H.; Klaver, W. J.; Moolenaar, M. J.; Speckamp, W. N. J. Chem. Soc. 1984, 25, 5453. (h) Hiemstra, H.; Klaver, W. J.; Speckamp, W. N. J. Org. Chem. 1984, 49, 1149. (i) Kozikowski, A. P.; Park, P. J. Chem. Soc. 1984, 49, 1674. (j) Gramain, J. C.; Remuson, R. Tetrahedron Lett. 1985, 26, 327.
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(1981)
Tetrahedron Lett.
, vol.22
, pp. 1567
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Hart, D.J.1
Tsai, Y.-M.2
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5
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85021557233
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Partial hydrolysis of the products occurred when aqueous quenching procedures were employed
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Partial hydrolysis of the products occurred when aqueous quenching procedures were employed.
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6
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0001524442
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Recently 3,4-dihydrofurans have been isolated as byproducts from the reaction of propargyltrimethylsilanes with acetals
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Recently 3,4-dihydrofurans have been isolated as byproducts from the reaction of propargyltrimethylsilanes with acetals: Pornet, J.; Miginiac, L.; Jaworski, K.; Randrianoelina, B. Organometallics 1985, 4, 333.
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(1985)
Organometallics
, vol.4
, pp. 333
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Pornet, J.1
Miginiac, L.2
Jaworski, K.3
Randrianoelina, B.4
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7
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85021578046
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Thus far annulations employing ketones as heteroallenophiles have been less successful
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For example, reaction of the allenylsilane 4 with cyclohexanone produces the expected 2,3-dihydrofuran in only 20-25% yield.
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Thus far annulations employing ketones as heteroallenophiles have been less successful. For example, reaction of the allenylsilane 4 with cyclohexanone produces the expected 2,3-dihydrofuran in only 20-25% yield.
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8
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85021583260
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1H NMR spectroscopic analysis
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12
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12
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9
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33847085986
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(b) Hayashi, T.; Kabeta, K.; Hamachi, I.; Kumada, M. Tetrahedron Lett. 1983, 28, 2865. (c) Denmark, S.; Weber, E. J. Helv. Chim. Acta 1983, 66, 1655.
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(a) Yamamoto, Y.; Yatagai, H.; Naruta, Y.; Maruyama, K. J. Am. Chem. Soc. 1980, 102, 7107. (b) Hayashi, T.; Kabeta, K.; Hamachi, I.; Kumada, M. Tetrahedron Lett. 1983, 28, 2865. (c) Denmark, S.; Weber, E. J. Helv. Chim. Acta 1983, 66, 1655.
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(1980)
Am. Chem. Soc.
, vol.102
, pp. 7107
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Yamamoto, Y.1
Yatagai, H.2
Naruta, Y.3
Maruyama, K.J.4
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10
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85021591730
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4-promoted addition of 3-substituted allenyltrimethylsilanes to aldehydes produces (mainly) syn-homopropargylic alcohols; the stereochemistry of these products was established by conversion to known compounds
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unpublished results
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4-promoted addition of 3-substituted allenyltrimethylsilanes to aldehydes produces (mainly) syn-homopropargylic alcohols; the stereochemistry of these products was established by conversion to known compounds: Danheiser, R. L.; Carini, D. J.; Kwasigroch, C. A., unpublished results.
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Danheiser, R.L.1
Carini, D.J.2
Kwasigroch, C.A.3
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11
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85021562910
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The stereochemical identity of 14 was established by its conversion to d, 1-5,6-decanediol via the sequence
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2
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2.
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12
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84985633241
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For examples of the related addition of allylsilanes to chiral a-alkoxy aldehydes
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(b) Heathcock, C. H.; Kiyooka, S.-I.; Blumenkopf, T. A. J. Org. Chem. 1984, 49, 4214. (c) Reetz, M. T.; Kesseler, K.; Jung, A. Tetrahedron Lett. 1984, 25, 729. (d) For a general review of addition reactions of chiral a- and β-alkoxy carbonyl compounds, see: Reetz, M. T. Angew. Chem., Int. Ed. Engl. 1984, 23, 556.
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For examples of the related addition of allylsilanes to chiral a-alkoxy aldehydes, see: (a) Reetz, M. T.; Kesseler, K.; Schmidtberger, S.; Wenderoth, B.; Steinbach, R. Angew. Chem., Int. Ed. Engl. 1983, 22, 989. (b) Heathcock, C. H.; Kiyooka, S.-I.; Blumenkopf, T. A. J. Org. Chem. 1984, 49, 4214. (c) Reetz, M. T.; Kesseler, K.; Jung, A. Tetrahedron Lett. 1984, 25, 729. (d) For a general review of addition reactions of chiral a- and β-alkoxy carbonyl compounds, see: Reetz, M. T. Angew. Chem., Int. Ed. Engl. 1984, 23, 556.
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(1983)
Angew. Chem., Int. Ed. Engl.
, vol.22
, pp. 989
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Reetz, M.T.1
Kesseler, K.2
Schmidtberger, S.3
Wenderoth, B.4
Steinbach, R.5
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