-
2
-
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0001594065
-
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Palladium-catalyzed additions of 1 to alkynes including reactions that lead to carbocyclic 1,2-bisalkylidenes were initailly reported by Tanaka et al. See
-
Palladium-catalyzed additions of 1 to alkynes including reactions that lead to carbocyclic 1,2-bisalkylidenes were initailly reported by Tanaka et al. See: Onozawa, S.-y.; Hatanaka, Y.; Sakakura, T.; Shimada, S.; Tanaka, M. Organometallics 1996, 15, 5450
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Onozawa, S.-y.; Hatanaka, Y.; Choi, N.; Tanaka, M. Organometallics 1997, 16, 5389
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0034229651
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See also:
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See also: Weber, L.; Wartig, H. B.; Stammler, H. G.; Stammler, A.; Neumann, B. Organometallics 2000, 19, 2891
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Neumann, B.5
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5
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84963147114
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For the preparaion of the reagent 1, see:
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For the preparaion of the reagent 1, see: Niedenzu, K.; Rothgery, E. F. Synth. React. Inorg., Met.-Org. Chem. 1972, 2, 1
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33846964661
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For a review of 1,3-dimethyl-2-trimethylstannyl-2-bora-1,3- diazacyclopentane, see: Paquette, L. A., Ed.; John Wiley: New York
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For a review of 1,3-dimethyl-2-trimethylstannyl-2-bora-1,3- diazacyclopentane, see: Tanaka, M. In Encyclopedia of Reagents for Organic Synthesis; Paquette, L. A., Ed.; John Wiley: New York, 2004.
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Tanaka, M.1
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Chenard, B. L.; Laganis, E. D.; Davidson, F.; RajanBabu, T. V. J. Org. Chem. 1985, 50, 3666
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0036167019
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Bromoboration of an alkyne followed by reaction of the resulting dibromobora-alkene with N, N ′-dimethylethylenediamine or pinacol also gives adducts similar to 3 and 4. See
-
Bromoboration of an alkyne followed by reaction of the resulting dibromobora-alkene with N, N ′-dimethylethylenediamine or pinacol also gives adducts similar to 3 and 4. See: Lallemand, J.-Y.; Six, Y.; Ricard, L. Eur. J. Org. Chem. 2002, 503
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Wang, C.; Tobrman, T.; Xu, Z.; Negishi, E.-i. Org. Lett. 2009, 11, 4092
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0003115131
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For another reference to the formation and reactions of borostannylalkenes, see
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For another reference to the formation and reactions of borostannylalkenes, see: Lhermitte, F.; Carboni, B. Synlett 1996, 377
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Lhermitte, F.1
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77952977016
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See Supporting Information for experimental details and full characterization of the products
-
See Supporting Information for experimental details and full characterization of the products.
-
-
-
-
16
-
-
84914058906
-
-
For examples of 2,5-azaborolidine to 2,5-oxaborolidine conversions, see
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For examples of 2,5-azaborolidine to 2,5-oxaborolidine conversions, see: Biffar, W.; Nöth, H.; Schwerthöffer, R. Liebigs Ann. Chem. 1981, 2067
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Suginome, M.; Yamamoto, A.; Murakami, M. Angew. Chem., Int. Ed. 2005, 44, 2380
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Suginome, M.1
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19
-
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34548279222
-
-
A similar reaction using a Pd-bisphosphite catalyst has been described in the patent literature
-
A similar reaction using a Pd-bisphosphite catalyst has been described in the patent literature. Onozawa, S. y.; Tanaka, M. Jpn. Kokai Tokkyo Koho 2003, 6692
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Jpn. Kokai Tokkyo Koho
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Onozawa, S.Y.1
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20
-
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3042793632
-
-
However, experimental and characterization details are not readily available. Trimethylsilyltributylstannane undergoes the expected Pd-catalyzed 1,2- syn -addition to acetylene. See:
-
However, experimental and characterization details are not readily available. Trimethylsilyltributylstannane undergoes the expected Pd-catalyzed 1,2- syn -addition to acetylene. See: Murakami, M.; Matsuda, T.; Itami, K.; Ashida, S.; Terayama, M. Synthesis 2004, 1522
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Suginome, M.; Matsuda, T.; Ito, Y. Organometallics 1998, 17, 5233
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0000109331
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For Diels-Alder reactions of boron-substituted 1,3-dienes, see
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For Diels-Alder reactions of boron-substituted 1,3-dienes, see: Vaultier, M.; Truchet, F.; Carboni, B.; Hoffmann, R. W.; Denne, I. Tetrahedron Lett. 1987, 28, 4169
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See also ref 4 a. A recent review of the chemistry of boron and silicon-substituted dienes
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Gao, X.; Hall, D. G. Tetrahedron Lett. 2003, 44, 2231 See also ref 4 a. A recent review of the chemistry of boron and silicon-substituted dienes
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