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11
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33746369797
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Ohe K., Fujita M., Matsumoto H., Tai Y., and Miki K. J. Am. Chem. Soc. 128 (2006) 9270
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(2006)
J. Am. Chem. Soc.
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, pp. 9270
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Ohe, K.1
Fujita, M.2
Matsumoto, H.3
Tai, Y.4
Miki, K.5
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12
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2342495759
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For selected examples using propargyl carboxylates as vinylcarbene precursors by other groups, see:
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For selected examples using propargyl carboxylates as vinylcarbene precursors by other groups, see:. Bartels A., Mahrwald R., and Müller K. Adv. Synth. Catal. 346 (2004) 483
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(2004)
Adv. Synth. Catal.
, vol.346
, pp. 483
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Bartels, A.1
Mahrwald, R.2
Müller, K.3
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19
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33846954037
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Wang and co-workers have recently reported transition metal-catalyzed reactions of propargyl sulfides and dithioacetals, and allenylmethyl sulfides via vinylcarbene intermediates. See:
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Wang and co-workers have recently reported transition metal-catalyzed reactions of propargyl sulfides and dithioacetals, and allenylmethyl sulfides via vinylcarbene intermediates. See:. Peng L., Zhang X., Zhang S., and Wang J. J. Org. Chem. 72 (2007) 1192
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(2007)
J. Org. Chem.
, vol.72
, pp. 1192
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Peng, L.1
Zhang, X.2
Zhang, S.3
Wang, J.4
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20
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34247532430
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Peng L., Zhang X., Ma M., and Wang J. Angew. Chem., Int. Ed. 46 (2007) 1905
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(2007)
Angew. Chem., Int. Ed.
, vol.46
, pp. 1905
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Peng, L.1
Zhang, X.2
Ma, M.3
Wang, J.4
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21
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33646460558
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For selected examples of transition metal-catalyzed and -promoted ring-opening reactions of heteroaromatic compounds via carbene intermediates, see:
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For selected examples of transition metal-catalyzed and -promoted ring-opening reactions of heteroaromatic compounds via carbene intermediates, see:. Wenkert E., and Khatuya H. Helv. Chim. Acta 82 (1999) 551
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(1999)
Helv. Chim. Acta
, vol.82
, pp. 551
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Wenkert, E.1
Khatuya, H.2
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24
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22244457319
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and references cited therein
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Caballero A., Díaz-Requejo M.M., Trofimenko S., Belderrain T.R., and Pérez P.J. J. Org. Chem. 70 (2005) 6101 and references cited therein
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(2005)
J. Org. Chem.
, vol.70
, pp. 6101
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Caballero, A.1
Díaz-Requejo, M.M.2
Trofimenko, S.3
Belderrain, T.R.4
Pérez, P.J.5
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25
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34250806562
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Barluenga J., García-García P., de Sáa D., Fernández-Rodríguez M.A., Bernardo de la Rúa R., Ballesteros A., Aguilar E., and Tomás M. Angew. Chem., Int. Ed. 46 (2007) 2610
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(2007)
Angew. Chem., Int. Ed.
, vol.46
, pp. 2610
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Barluenga, J.1
García-García, P.2
de Sáa, D.3
Fernández-Rodríguez, M.A.4
Bernardo de la Rúa, R.5
Ballesteros, A.6
Aguilar, E.7
Tomás, M.8
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26
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34548051572
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note
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3S: C, 59.34; H, 7.47. Found: C, 59.33; H, 7.32.
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27
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0032542394
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t-Butyl-substituted thiocarbamate 1g in solution was gradually converted to the allenyl isomer 3g even at room temperature. Thermal isomerization of O-propargyl thiocarbamates and propargyl dithiocarbonates to allenyl compounds has been reported. See:
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t-Butyl-substituted thiocarbamate 1g in solution was gradually converted to the allenyl isomer 3g even at room temperature. Thermal isomerization of O-propargyl thiocarbamates and propargyl dithiocarbonates to allenyl compounds has been reported. See:. Banert K., Fendel W., and Schlott J. Angew. Chem., Int. Ed. 37 (1998) 3289
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(1998)
Angew. Chem., Int. Ed.
, vol.37
, pp. 3289
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Banert, K.1
Fendel, W.2
Schlott, J.3
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29
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34548048369
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note
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Although the precise mechanism for the formation of 8a is unclear at present, the electrophilic substitution of pyrrole with allyl cationic species B (Scheme 1) is the likely reaction mechanism.
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