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For recent reports addressing this problem, see: (a)
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For recent reports addressing this problem, see: (a) Itami, K.; Mitsudo, K.; Yoshida, J.-I. Tetrahedron Lett. 1999, 40, 5537-5540.
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Organoalkali reagents
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(a) Hoppe, D.; Hintze, H.; Tebben, P.; Paetow, M.; Ahrens, H.; Schwerdtfeger, J.; Sommerfeld, P.; Haller, J.; Guarnieri, W.; Kolczewski, S.; Hense, T.; Hoppe, I. Pure Appl. Chem. 1994, 66, 1479-1486.
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A report by van Boom et al. led to sensibly opposite conclusions. Their studies on the closely related dimethyl(phenylthio)methylsilyl group indicate that its oxidation into the alcohol did not proceed through sila-Pummerer rearrangement but rather by direct displacement of the sulfoxide group by fluoride as demonstrated by the recovery of phenylmethylsulfoxide: (a)
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A report by van Boom et al. led to sensibly opposite conclusions. Their studies on the closely related dimethyl(phenylthio)methylsilyl group indicate that its oxidation into the alcohol did not proceed through sila-Pummerer rearrangement but rather by direct displacement of the sulfoxide group by fluoride as demonstrated by the recovery of phenylmethylsulfoxide: (a) van Delft, F. L.; van der Marel, G. A.; van Boom, J. H. Synlett 1995, 1069-1070.
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For a review on Sharpless asymmetric amino-hydroxylation, see
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N-haloamides and carbamates have been used as electrophilic nitrogen sources in the preparation of sulfilimines, see (a)
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N-haloamides and carbamates have been used as electrophilic nitrogen sources in the preparation of sulfilimines, see: (a) Tomooka, C. S.; LeCloux, D. D.; Sasaki, H.; Carreira, E. M. Org. Lett. 1999, 1, 149-152.
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0000666991
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The irreproducibility of the cyclopropanation reaction was attributed to the presence of the thioether group known to generate sulfur ylides in the presence of carbenoid species, see
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The irreproducibility of the cyclopropanation reaction was attributed to the presence of the thioether group known to generate sulfur ylides in the presence of carbenoid species, see: Kosarych, Z.; Cohen, T. Tetrahedron Lett. 1982, 23, 3019-3022.
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54
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0343313190
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Aldrich No. 42,462-5
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Aldrich No. 42,462-5.
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