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44949245124
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44949210592
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9544235161
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2 inhibition activity, see:. Hagishita S., Yamada M., Shirahase K., Okada T., Murakami Y., Ito Y., Matsuura T., Wada M., Kato T., Ueno M., Chikazawa Y., Yamada K., Ono T., Teshirogi I., and Ohtani M. J. Med. Chem. 39 (1996) 3636
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44949221320
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44949225256
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For the most comprehensive review, see:
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18
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44949153674
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See also:
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See also:
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33845190463
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44949203729
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For other syntheses of heterocycles proceeding via 1,2-migrations, see:
-
For other syntheses of heterocycles proceeding via 1,2-migrations, see:
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38649108487
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33947607969
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When this project was underway, a report on a related Pt-catalyzed 1,2-migration/cyclization toward indolizine core appeared, see:
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When this project was underway, a report on a related Pt-catalyzed 1,2-migration/cyclization toward indolizine core appeared, see:. Smith C.R., Bunnelle E.M., Rhodes A.J., and Sarpong R. Org. Lett. 9 (2007) 1169
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44949122809
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For recent discussions on the role of Brønsted acids in transtion metal-catalyzed transformations, see:
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For recent discussions on the role of Brønsted acids in transtion metal-catalyzed transformations, see:
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35
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22544446744
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For acid-promoted isomerization of propargylic alcohols into α,β-unsaturated systems, see:
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For acid-promoted isomerization of propargylic alcohols into α,β-unsaturated systems, see:. Erenler R., and Biellmann J.-F. Tetrahedron Lett. 46 (2005) 5683
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44949204713
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For selected examples on nucleophilic attack of heteroatom at alkyne activated by Au and Ag complexes, see:
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For selected examples on nucleophilic attack of heteroatom at alkyne activated by Au and Ag complexes, see:
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44949170858
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note
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For an example of a base-assisted substantial deuterium scrambling upon cycloisomerization in conjugated propargylic systems, see Ref. 11a.
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52
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23044485049
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For an example of clean 1,2-deuterium shift upon cycloisomerization, see:
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For an example of clean 1,2-deuterium shift upon cycloisomerization, see:. Sromek A.W., Rubina M., and Gevorgyan V. J. Am. Chem. Soc. 127 (2005) 10500
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44949232363
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note
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Deuterium-labeled propargylic substrate 7 was prepared via the following sequence of steps.{A figure is presented}
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54
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44949238771
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For reviews, see:
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For reviews, see:
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57
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44949175144
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See also:
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See also:
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60
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44949120884
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See, for example:
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See, for example:
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61
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44949201737
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See Ref. 19i.
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See Ref. 19i.
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44949207647
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See Ref. 19j.
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See Ref. 19j.
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67
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44949195998
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For recent reviews on Au-catalyzed reactions, see:
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70
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44949264105
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For Au-catalyzed synthesis of heterocycles, see:
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For Au-catalyzed synthesis of heterocycles, see:
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See Ref. 21.
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See Ref. 21.
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76
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44949125713
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For Au-catalyzed carbocyclizations, see for example:
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For Au-catalyzed carbocyclizations, see for example:
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82
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44949151803
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See also:
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See also:
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44949108382
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note
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3 as a precatalyst, the latter can be reduced into Au(I) species via various redox processes. See, Ref. 30b.
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87
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44949109329
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note
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For discussion on Au-catalyzed propargyl-allenyl prototropic isomerization, see Ref. 10c.
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-
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88
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44949221319
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note
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Control experiment indicated no proton-deuterium scrambling in the cyclized product.{A figure is presented}
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89
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15444374148
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For Au-catalyzed migration of alkyl group in indole series, see:
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