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(d) Nieman, J. A.; Parvez, M.; Keay, B. A. Tetrahedron: Asymmetry 1993, 4, 1973.
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(f) Keay, B. A.; Maddaford, S. P.; Cristofoli, W. A.; Andersen, N. G.; Passafaro, M. S.; Wilson, N. S.; Nieman, J. A. Can. J. Chem. 1997, 75, 1163.
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Wilson, N.S.6
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7
-
-
0030831034
-
-
For other uses of spiro[4.4]nonane-1,6-diol as a chiral auxiliary, see: (a) Chan, A. S. C.; Hu, W.; Pai, C.-C.; Lau, C-P.; Jiang, Y.; Mi, A.; Yan, M.; Sun, J.; Lou, R.; Deng, J. J. Am. Chem. Soc. 1997, 119, 9570. (b) Hu, W.; Yan, M.; Lau, C-P.; Yang, S. M.; Chan, A. S. C. Tetrahedron Lett. 1999, 40, 973. (c) Seebach, D.; Beck, A. K.; Dahinden, R.; Hoffmann, M.; Kühnle, F. N. M. Croatica Chem. Acta 1996, 69, 459. (d) Srivastava, N.; Mital, A.; Kumar, A. J. Chem. Soc., Chem. Commun. 1992, 493.
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Chan, A.S.C.1
Hu, W.2
Pai, C.-C.3
Lau, C.-P.4
Jiang, Y.5
Mi, A.6
Yan, M.7
Sun, J.8
Lou, R.9
Deng, J.10
-
8
-
-
0033613737
-
-
For other uses of spiro[4.4]nonane-1,6-diol as a chiral auxiliary, see: (a) Chan, A. S. C.; Hu, W.; Pai, C.-C.; Lau, C-P.; Jiang, Y.; Mi, A.; Yan, M.; Sun, J.; Lou, R.; Deng, J. J. Am. Chem. Soc. 1997, 119, 9570. (b) Hu, W.; Yan, M.; Lau, C-P.; Yang, S. M.; Chan, A. S. C. Tetrahedron Lett. 1999, 40, 973. (c) Seebach, D.; Beck, A. K.; Dahinden, R.; Hoffmann, M.; Kühnle, F. N. M. Croatica Chem. Acta 1996, 69, 459. (d) Srivastava, N.; Mital, A.; Kumar, A. J. Chem. Soc., Chem. Commun. 1992, 493.
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Tetrahedron Lett.
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Hu, W.1
Yan, M.2
Lau, C.-P.3
Yang, S.M.4
Chan, A.S.C.5
-
9
-
-
0001362196
-
-
For other uses of spiro[4.4]nonane-1,6-diol as a chiral auxiliary, see: (a) Chan, A. S. C.; Hu, W.; Pai, C.-C.; Lau, C-P.; Jiang, Y.; Mi, A.; Yan, M.; Sun, J.; Lou, R.; Deng, J. J. Am. Chem. Soc. 1997, 119, 9570. (b) Hu, W.; Yan, M.; Lau, C-P.; Yang, S. M.; Chan, A. S. C. Tetrahedron Lett. 1999, 40, 973. (c) Seebach, D.; Beck, A. K.; Dahinden, R.; Hoffmann, M.; Kühnle, F. N. M. Croatica Chem. Acta 1996, 69, 459. (d) Srivastava, N.; Mital, A.; Kumar, A. J. Chem. Soc., Chem. Commun. 1992, 493.
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Seebach, D.1
Beck, A.K.2
Dahinden, R.3
Hoffmann, M.4
Kühnle, F.N.M.5
-
10
-
-
0030831034
-
-
For other uses of spiro[4.4]nonane-1,6-diol as a chiral auxiliary, see: (a) Chan, A. S. C.; Hu, W.; Pai, C.-C.; Lau, C-P.; Jiang, Y.; Mi, A.; Yan, M.; Sun, J.; Lou, R.; Deng, J. J. Am. Chem. Soc. 1997, 119, 9570. (b) Hu, W.; Yan, M.; Lau, C-P.; Yang, S. M.; Chan, A. S. C. Tetrahedron Lett. 1999, 40, 973. (c) Seebach, D.; Beck, A. K.; Dahinden, R.; Hoffmann, M.; Kühnle, F. N. M. Croatica Chem. Acta 1996, 69, 459. (d) Srivastava, N.; Mital, A.; Kumar, A. J. Chem. Soc., Chem. Commun. 1992, 493.
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Srivastava, N.1
Mital, A.2
Kumar, A.3
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11
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0001760946
-
-
For some recent reports on the use of other spiro systems, see: (a) Arai, M. A.; Arai, T.; Sasai, H. Org. Lett. 1999, 1, 1795. (b) Sirbu, D.; Falck-Pedersen, M. L.; Rømming, C.; Undheim, K. Tetrahedron 1999, 55, 6703. (c) Birman, V. B.; Rheingold, A. L.; Lam, K.-C. Tetrahedron: Asymmetry 1999, 10, 125.
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Arai, M.A.1
Arai, T.2
Sasai, H.3
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12
-
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0033591188
-
-
For some recent reports on the use of other spiro systems, see: (a) Arai, M. A.; Arai, T.; Sasai, H. Org. Lett. 1999, 1, 1795. (b) Sirbu, D.; Falck-Pedersen, M. L.; Rømming, C.; Undheim, K. Tetrahedron 1999, 55, 6703. (c) Birman, V. B.; Rheingold, A. L.; Lam, K.-C. Tetrahedron: Asymmetry 1999, 10, 125.
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Tetrahedron
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Sirbu, D.1
Falck-Pedersen, M.L.2
Rømming, C.3
Undheim, K.4
-
13
-
-
0033556676
-
-
For some recent reports on the use of other spiro systems, see: (a) Arai, M. A.; Arai, T.; Sasai, H. Org. Lett. 1999, 1, 1795. (b) Sirbu, D.; Falck-Pedersen, M. L.; Rømming, C.; Undheim, K. Tetrahedron 1999, 55, 6703. (c) Birman, V. B.; Rheingold, A. L.; Lam, K.-C. Tetrahedron: Asymmetry 1999, 10, 125.
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Tetrahedron: Asymmetry
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Birman, V.B.1
Rheingold, A.L.2
Lam, K.-C.3
-
14
-
-
0000711386
-
-
For examples in which other spiro systems have been used as chiral auxiliaries, see: (a) Banks, M. R.; Cadogan, J. I. G.; Gosney, I.; Grant, K. J.; Hodgson, P. K. G.; Thorburn, P. Heterocycles 1994, 37, 199. (b) Dinesh, C. U.; Kumar, P.; Reddy, R. S.; Pandey, B.; Puranik, V. G. Tetrahedron: Asymmetry 1995, 6, 2961.
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Banks, M.R.1
Cadogan, J.I.G.2
Gosney, I.3
Grant, K.J.4
Hodgson, P.K.G.5
Thorburn, P.6
-
15
-
-
0029598757
-
-
For examples in which other spiro systems have been used as chiral auxiliaries, see: (a) Banks, M. R.; Cadogan, J. I. G.; Gosney, I.; Grant, K. J.; Hodgson, P. K. G.; Thorburn, P. Heterocycles 1994, 37, 199. (b) Dinesh, C. U.; Kumar, P.; Reddy, R. S.; Pandey, B.; Puranik, V. G. Tetrahedron: Asymmetry 1995, 6, 2961.
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Dinesh, C.U.1
Kumar, P.2
Reddy, R.S.3
Pandey, B.4
Puranik, V.G.5
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19
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0027144745
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(c) Ahn, K. H.; Lim, A.; Lee, S. Tetrahedron: Asymmetry 1993, 4, 2435.
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Tetrahedron: Asymmetry
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Ahn, K.H.1
Lim, A.2
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20
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0000703771
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(d) Ahn, K. H.; Lee, S.; Lim, A. J. Org. Chem. 1992, 57, 5065.
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Ahn, K.H.1
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0030929427
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Trost, B.; Radinov, R.; Grenzer, E. J. Am. Chem. Soc. 1997, 119, 7879.
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Trost, B.1
Radinov, R.2
Grenzer, E.3
-
28
-
-
0343487971
-
-
note
-
The allylation of 10 with a variety of chiral phosphine catalysts never gave a % ee greater than 15%.
-
-
-
-
29
-
-
0033551925
-
-
(a) Allan, M. M.; Ramsden, P. D.; Burke, M. J.; Parvez, M.; Keay, B. A. Tetrahedron: Asymmetry 1999, 10, 3099.
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Allan, M.M.1
Ramsden, P.D.2
Burke, M.J.3
Parvez, M.4
Keay, B.A.5
-
31
-
-
0030838476
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(c) Fraga, C. A. M.; Barreiro, E. J.; Silva, E. F.; Santos, A. R.; Ramos, M. C. K. V.; Aquino Neto, F. R. Chirality 1997, 9, 321.
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Fraga, C.A.M.1
Barreiro, E.J.2
Silva, E.F.3
Santos, A.R.4
Ramos, M.C.K.V.5
Aquino Neto, F.R.6
-
32
-
-
0343487970
-
-
note
-
Compound (-)-(2R)-10 can also be used to synthesize the antipode (-)-7. Reduction of (-)-(2R)-10 with t-butyldiisobutylaluminium hydride provides (-)-(1S,2R)-12.
-
-
-
-
34
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0012177174
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-
Prempree, P.; Siwapinyoyos, T.; Thebtaranonth, C.; Thebtaranonth, Y. Tetrahedron Lett. 1980, 21, 1169.
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Prempree, P.1
Siwapinyoyos, T.2
Thebtaranonth, C.3
Thebtaranonth, Y.4
-
35
-
-
0343923834
-
-
note
-
w = 0.157 and the Flack parameter = 1.01(2) and was therefore rejected as the absolute configuration present in the crystal.
-
-
-
-
36
-
-
0343487969
-
-
note
-
Interestingly, the initial product from the reaction of (+)-7 with trans-crotonyl chloride was ester 28 with a unconjugated double bond. Treatment of ester 28 with cat. p-TsOH in THF at reflux for 24 h provided (-)-21 in quantitative yield. (Matrix Presented)
-
-
-
-
37
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0025158543
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3): Oppolzer, W.; Wills, M.; Kelly, M. J.; Signer, M.; Blagg, J. Tetrahedron Lett. 1990, 31, 5015.
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Oppolzer, W.1
Wills, M.2
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Signer, M.4
Blagg, J.5
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39
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0029134746
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D +107 (c 4.07, 95% EtOH): Argenti, L.; Bellina, F.; Carpita, A.; Rossi, R. Synth. Commun. 1995, 25, 2909.
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0000188220
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3): Kouklovsky, C.; Pouihès, A.; Langlois, Y. J. Am. Chem. Soc. 1990, 112, 6672.
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