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77950256247
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A few example of intramolecular conjugate additions of trichloroacetimidates, which were prepared in situ, in a cyclic system were reported: a to α,ß-unsaturated esters
-
A few example of intramolecular conjugate additions of trichloroacetimidates, which were prepared in situ, in a cyclic system were reported: a) to α,ß-unsaturated esters:
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12
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29544445868
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J. R. Brown, Y. Nishimura, J. D. Esko, Bioorg. Med. Chem. Lett, 2006, 16, 532-536
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Fraser-Reid, B.1
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15
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77950222080
-
-
There are some useful reactions involving trichloroacetimidates for the introduction of a nitrogen functionality; a for electrophile-promoted intramolecular aminations of trichloroacetimidates derived from allylic and homoallylic alcohols, see
-
There are some useful reactions involving trichloroacetimidates for the introduction of a nitrogen functionality; a) for electrophile-promoted intramolecular aminations of trichloroacetimidates derived from allylic and homoallylic alcohols, see:
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16
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4143050267
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Lee, H.-S.1
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0000762868
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b) for acid-promoted intramolecular epoxide opening of trichloroacetimidates, see: B. Bernet, A. Vasella, Tetrahedron Lett, 1983, 24, 5491-5494;
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Bernet, B.1
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S. Hatakeyama, H. Matsumoto, H. Fukuyama, Y. Mukugin, H. Irie, J. Org. Chem. 1997, 62, 2275-2279;
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33846599336
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and references cited therein
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for Overman, rearrangement, see: L. E. Overman, Acc. Chem. Res. 1980, 13, 218-224.
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24
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55549123832
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For a recent synthesis of 3-amino-2,3,6-trideoxyhexose, see: and references cited therein.
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For a recent synthesis of 3-amino-2,3,6-trideoxyhexose, see: K. Gregory, G. K. Friestad, T. Jiang, G. M. Fioroni, Tetrahedron 2008, 64, 11549-11557, and references cited therein.
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26
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77950271391
-
-
note
-
During our course of pursuing the effective synthesis of osmundalactones, an appealing method for δ-lactonization accompanied by trans/cis isomerization was reported. The mechanism of trans/cis isomerization was suggested to occur by pyridine-assisted addition-elimination in this paper.
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T. Fukuyama, A. A. Laird, L. M. Hotchkiss, Tetrahedron Lett, 1985, 26, 6291-6292.
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37049074895
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S. V. Ley, A. Armstrong, D. Diez-Martín, M. J. Ford, P. Grice, J. G. Knight, H. C. Kolb, A. Madin, C. A. Marby, S. Mukherjee, A. N. Shaw, A. M. Z. Slawin, S. Vile, A. D. White, D. J. Williams, M. Woods, J. Chem. Soc. Perkin Trans. 1 1991, 667-689 .
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33
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77950247430
-
-
For a few examples of the use of silica gel in heteroconjugate additions, see: a for addition of amines to α,ß-unsaturated esters and nitriles
-
For a few examples of the use of silica gel in heteroconjugate additions, see: a) for addition of amines to α,ß-unsaturated esters and nitriles:
-
-
-
-
35
-
-
77950209333
-
-
for addition of amines to α,ß-unsaturated amides
-
b) for addition of amines to α,ß-unsaturated amides:
-
-
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36
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47249119580
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L. You, S. Feng, R. An, X. Wang, D. Bai, Tetrahedron Lett, 2008, 49, 5147-5149
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You, L.1
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37
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-
77950240777
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-
for addition of thiols to α,ß-unsaturated ketones
-
for addition of thiols to α,ß-unsaturated ketones:
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38
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33645986513
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H. Firouzabadi, N. Iranpoor, M. Jafarpour, A. Ghaderi, J. Mol. Catal. A 2006, 249, 98-102
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39
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77950199944
-
-
an intramolecular version of the conjugate addition of thioamide to α,ßunsaturated esters or amides to produce thiazolines was reported
-
an intramolecular version of the conjugate addition of thioamide to α,ßunsaturated esters or amides to produce thiazolines was reported:
-
-
-
-
42
-
-
77950258330
-
-
Selected literature on N-Bz-daunosamine synthesis
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Selected literature on N-Bz-daunosamine synthesis:
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43
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0001479420
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49
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77950249205
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Selected literature on osmundalactone, which include melting point data: A isolation of osmundarin and osmundalactone
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Selected literature on osmundalactone, which include melting point data: a) isolation of osmundarin and osmundalactone:
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51
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77950234587
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[17]
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[17]
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54
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Selected literature on N-Bz-ristosamine synthesis: a) M. Hirama, T. Shigemoto, S. Itô, J. Org. Chem. 1987, 52, 3342-3346
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