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1
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0029864469
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and references therein
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Mitchell, J. P.; Hajela, S.; Brookhart, S. K.; Hardcastle, K. I.; Henling, L. M.; Bercaw, J. E. J. Am. Chem. Soc. 1996, 118, 1045-1053, and references therein.
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Mitchell, J.P.1
Hajela, S.2
Brookhart, S.K.3
Hardcastle, K.I.4
Henling, L.M.5
Bercaw, J.E.6
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3
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0001999937
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(b) Tinkler, S.; Deeth, R. J.; Duncalf, D. J.; McCamley, A. J. Chem. Soc., Chem. Commun. 1996, 2623-2624.
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Tinkler, S.1
Deeth, R.J.2
Duncalf, D.J.3
McCamley, A.4
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5
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0030797504
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and references therein
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Okamoto, S.; Iwakubo, M.; Kobayashi, K.; Sato, F. J. Am. Chem. Soc. 1997, 119, 6984-6990, and references therein.
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Okamoto, S.1
Iwakubo, M.2
Kobayashi, K.3
Sato, F.4
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6
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4243335056
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For a comprehensive review in the area of aminoalkyne cyclizations see: Muller, E. T.; Beler, M. Chem. Rev. 1998, 98, 676.
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Chem. Rev.
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Muller, E.T.1
Beler, M.2
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7
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(a) Fairfax, D.; Stein, M.; Livinghouse, T.; Jensen, M. Organometallics 1997, 16, 1523-1525.
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Organometallics
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Fairfax, D.1
Stein, M.2
Livinghouse, T.3
Jensen, M.4
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9
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11944254392
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McGrane, P. L.; Jensen, M. D.; Livinghouse, T. J. Am. Chem. Soc. 1992, 114, 5459-5460.
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McGrane, P.L.1
Jensen, M.D.2
Livinghouse, T.3
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11
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11944268330
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U.S. Patent 3,021,349, 1962
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(a) deButts, E. H. U.S. Patent 3,021,349, 1962.
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-
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DeButts, E.H.1
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13
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85088001749
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-
note
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3·2THF in place of 2 led to aminoalkyne cyclization with concomitant generation of an azatitanium intermediate that was lethargic toward acyl cyanide interception.
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-
-
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14
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85088001774
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-
note
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9c
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-
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16
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11944266564
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note
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(c) We wish to acknowledge the early contribution of Dr. Phil Ho Lee, of these laboratories, who first demonstrated the use of 1a for the cyclization of 3b to 5b
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-
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17
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0032565078
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For an additional example of transition metal modification by trifluoroethoxy ligand substitution, see: Ryter, K.; Livinghouse, T. J. Am. Chem. Soc. 1998, 120, 2668-2659.
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Ryter, K.1
Livinghouse, T.2
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18
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85088002662
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note
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2 was found to promote the efficient cyclization of 5b, leading to an azatitanium intermediate that failed to undergo clean C-acylation in the presence of propanoyl cyanide.
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-
-
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19
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-
85088001572
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-
note
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4·DME (2) (THF, 60 °C, 4 weeks) failed to produce observable quantities of 7k.
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-
-
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20
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11944270662
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General experimental details may be found in ref 14
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General experimental details may be found in ref 14.
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-
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21
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0026749040
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Lee, C. H.; Westling, M.; Livinghouse, T.; Williams, A. C. J. Am. Chem. Soc. 1992, 114, 4089.
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J. Am. Chem. Soc.
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Lee, C.H.1
Westling, M.2
Livinghouse, T.3
Williams, A.C.4
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