-
1
-
-
0344171965
-
-
The enyne corresponding to epoxide 1a was prepared by the addition of lithiated phenylacetylene to cycloheptanone followed by dehydration: Davies, M. T.; Dobson, D. F.; Hayman, D. F.; Jackman, G. B.; Lester, M. G.; Petrow, V.; Stephenson, O.; Webb, A. A. Tetrahedron 1962, 18, 751.
-
(1962)
Tetrahedron
, vol.18
, pp. 751
-
-
Davies, M.T.1
Dobson, D.F.2
Hayman, D.F.3
Jackman, G.B.4
Lester, M.G.5
Petrow, V.6
Stephenson, O.7
Webb, A.A.8
-
2
-
-
0033214816
-
-
(a) Wang, Z.-X.; Cao, G.-A.; Shi, Y. J. Org. Chem. 1999, 64, 7646.
-
(1999)
J. Org. Chem.
, vol.64
, pp. 7646
-
-
Wang, Z.-X.1
Cao, G.-A.2
Shi, Y.3
-
3
-
-
85026859587
-
-
(b) Tu, Y.; Frohn, M.; Wang, Z.-X.; Shi, Y. Org. Synth. 2003, 80, 1.
-
(2003)
Org. Synth.
, vol.80
, pp. 1
-
-
Tu, Y.1
Frohn, M.2
Wang, Z.-X.3
Shi, Y.4
-
4
-
-
0000696626
-
-
For the only reports to date of the opening of an alkynyl-activated trisubstituted epoxide at the more substituted carbon atom to establish a quaternary center, see: (a) Perveev, F. Y.; Kudryashova, N. I. Zh. Obshch. Khim. 1953, 23, 348. (b) Aurrecoechea, J. M.; Alonso, E.; Solay, M. Tetrahedron 1998, 54, 3833 (only partially selective).
-
(1953)
Zh. Obshch. Khim.
, vol.23
, pp. 348
-
-
Perveev, F.Y.1
Kudryashova, N.I.2
-
5
-
-
0032499120
-
-
only partially selective
-
For the only reports to date of the opening of an alkynyl-activated trisubstituted epoxide at the more substituted carbon atom to establish a quaternary center, see: (a) Perveev, F. Y.; Kudryashova, N. I. Zh. Obshch. Khim. 1953, 23, 348. (b) Aurrecoechea, J. M.; Alonso, E.; Solay, M. Tetrahedron 1998, 54, 3833 (only partially selective).
-
(1998)
Tetrahedron
, vol.54
, pp. 3833
-
-
Aurrecoechea, J.M.1
Alonso, E.2
Solay, M.3
-
6
-
-
0003312530
-
-
For the opening of phenyl-activated trisubstituted epoxides at the more substituted carbon to establish a quaternary center, see: (c) Gerteisen, T. J.; Kleinfelter, D. C. J. Org. Chem. 1971, 36, 3255. (d) Krause, N.; Seebach, D. Chem. Ber. 1988, 121, 1315. (e) Kauffmann, T.; Neiteler, C.; Robbe, S. Chem. Ber. 1992, 125, 2409. (f) Jansen, J.; Knopp, M.; Amberg, W.; Bernard, H.; Koser, S.; Müller, S.; Münster, I.; Pfeiffer, T.; Riechers, H. Org. Process Res. Dev. 2001, 5, 16.
-
(1971)
J. Org. Chem.
, vol.36
, pp. 3255
-
-
Gerteisen, T.J.1
Kleinfelter, D.C.2
-
7
-
-
0005222597
-
-
For the opening of phenyl-activated trisubstituted epoxides at the more substituted carbon to establish a quaternary center, see: (c) Gerteisen, T. J.; Kleinfelter, D. C. J. Org. Chem. 1971, 36, 3255. (d) Krause, N.; Seebach, D. Chem. Ber. 1988, 121, 1315. (e) Kauffmann, T.; Neiteler, C.; Robbe, S. Chem. Ber. 1992, 125, 2409. (f) Jansen, J.; Knopp, M.; Amberg, W.; Bernard, H.; Koser, S.; Müller, S.; Münster, I.; Pfeiffer, T.; Riechers, H. Org. Process Res. Dev. 2001, 5, 16.
-
(1988)
Chem. Ber.
, vol.121
, pp. 1315
-
-
Krause, N.1
Seebach, D.2
-
8
-
-
7444226169
-
-
For the opening of phenyl-activated trisubstituted epoxides at the more substituted carbon to establish a quaternary center, see: (c) Gerteisen, T. J.; Kleinfelter, D. C. J. Org. Chem. 1971, 36, 3255. (d) Krause, N.; Seebach, D. Chem. Ber. 1988, 121, 1315. (e) Kauffmann, T.; Neiteler, C.; Robbe, S. Chem. Ber. 1992, 125, 2409. (f) Jansen, J.; Knopp, M.; Amberg, W.; Bernard, H.; Koser, S.; Müller, S.; Münster, I.; Pfeiffer, T.; Riechers, H. Org. Process Res. Dev. 2001, 5, 16.
-
(1992)
Chem. Ber.
, vol.125
, pp. 2409
-
-
Kauffmann, T.1
Neiteler, C.2
Robbe, S.3
-
9
-
-
0035586922
-
-
For the opening of phenyl-activated trisubstituted epoxides at the more substituted carbon to establish a quaternary center, see: (c) Gerteisen, T. J.; Kleinfelter, D. C. J. Org. Chem. 1971, 36, 3255. (d) Krause, N.; Seebach, D. Chem. Ber. 1988, 121, 1315. (e) Kauffmann, T.; Neiteler, C.; Robbe, S. Chem. Ber. 1992, 125, 2409. (f) Jansen, J.; Knopp, M.; Amberg, W.; Bernard, H.; Koser, S.; Müller, S.; Münster, I.; Pfeiffer, T.; Riechers, H. Org. Process Res. Dev. 2001, 5, 16.
-
(2001)
Org. Process Res. Dev.
, vol.5
, pp. 16
-
-
Jansen, J.1
Knopp, M.2
Amberg, W.3
Bernard, H.4
Koser, S.5
Müller, S.6
Münster, I.7
Pfeiffer, T.8
Riechers, H.9
-
10
-
-
0032575149
-
-
For the opening of alkenyl-activated trisubstituted epoxides at the more substituted center to establish a quaternary center, see ref 3d and: (g) Ishibashi, N.; Miyazawa, M.; Miyashita, M. Tetrahedron Lett. 1998, 39, 3775.
-
(1998)
Tetrahedron Lett.
, vol.39
, pp. 3775
-
-
Ishibashi, N.1
Miyazawa, M.2
Miyashita, M.3
-
11
-
-
0027155984
-
-
For the opening of trisubstituted 2,3-epoxy alcohols or ethers at the more substituted carbon to establish a quaternary center, see: (h) Newbold, R. C.; Shih, T. L.; Mrozik, H.; Fisher, M. H. Tetrahedron Lett. 1993, 34, 3825. (i) Balasubramaniam, R. P.; Moss, D. K.; Wyatt, J. K.; Spence, T. D.; Gee, A.; Nantz, M. H. Tetrahedron 1997, 53, 7429. (j) Benedetti, F.; Berti, F.; Norbedo, S. Tetrahedron Lett. 1999, 40, 1041. (k) Zhao, H.; Pagenkopf, B. L. Chem. Commun. 2003, 2592. (l) Ohno, H.; Hiramatsu, K.; Tanaka, T. Tetrahedron Lett. 2004, 45, 75. For the opening of trialkyl-substituted epoxides at the more substituted carbon to establish a quaternary center, see ref 3k.
-
(1993)
Tetrahedron Lett.
, vol.34
, pp. 3825
-
-
Newbold, R.C.1
Shih, T.L.2
Mrozik, H.3
Fisher, M.H.4
-
12
-
-
0030981561
-
-
For the opening of trisubstituted 2,3-epoxy alcohols or ethers at the more substituted carbon to establish a quaternary center, see: (h) Newbold, R. C.; Shih, T. L.; Mrozik, H.; Fisher, M. H. Tetrahedron Lett. 1993, 34, 3825. (i) Balasubramaniam, R. P.; Moss, D. K.; Wyatt, J. K.; Spence, T. D.; Gee, A.; Nantz, M. H. Tetrahedron 1997, 53, 7429. (j) Benedetti, F.; Berti, F.; Norbedo, S. Tetrahedron Lett. 1999, 40, 1041. (k) Zhao, H.; Pagenkopf, B. L. Chem. Commun. 2003, 2592. (l) Ohno, H.; Hiramatsu, K.; Tanaka, T. Tetrahedron Lett. 2004, 45, 75. For the opening of trialkyl-substituted epoxides at the more substituted carbon to establish a quaternary center, see ref 3k.
-
(1997)
Tetrahedron
, vol.53
, pp. 7429
-
-
Balasubramaniam, R.P.1
Moss, D.K.2
Wyatt, J.K.3
Spence, T.D.4
Gee, A.5
Nantz, M.H.6
-
13
-
-
0033613690
-
-
For the opening of trisubstituted 2,3-epoxy alcohols or ethers at the more substituted carbon to establish a quaternary center, see: (h) Newbold, R. C.; Shih, T. L.; Mrozik, H.; Fisher, M. H. Tetrahedron Lett. 1993, 34, 3825. (i) Balasubramaniam, R. P.; Moss, D. K.; Wyatt, J. K.; Spence, T. D.; Gee, A.; Nantz, M. H. Tetrahedron 1997, 53, 7429. (j) Benedetti, F.; Berti, F.; Norbedo, S. Tetrahedron Lett. 1999, 40, 1041. (k) Zhao, H.; Pagenkopf, B. L. Chem. Commun. 2003, 2592. (l) Ohno, H.; Hiramatsu, K.; Tanaka, T. Tetrahedron Lett. 2004, 45, 75. For the opening of trialkyl-substituted epoxides at the more substituted carbon to establish a quaternary center, see ref 3k.
-
(1999)
Tetrahedron Lett.
, vol.40
, pp. 1041
-
-
Benedetti, F.1
Berti, F.2
Norbedo, S.3
-
14
-
-
0142094025
-
-
For the opening of trisubstituted 2,3-epoxy alcohols or ethers at the more substituted carbon to establish a quaternary center, see: (h) Newbold, R. C.; Shih, T. L.; Mrozik, H.; Fisher, M. H. Tetrahedron Lett. 1993, 34, 3825. (i) Balasubramaniam, R. P.; Moss, D. K.; Wyatt, J. K.; Spence, T. D.; Gee, A.; Nantz, M. H. Tetrahedron 1997, 53, 7429. (j) Benedetti, F.; Berti, F.; Norbedo, S. Tetrahedron Lett. 1999, 40, 1041. (k) Zhao, H.; Pagenkopf, B. L. Chem. Commun. 2003, 2592. (l) Ohno, H.; Hiramatsu, K.; Tanaka, T. Tetrahedron Lett. 2004, 45, 75. For the opening of trialkyl-substituted epoxides at the more substituted carbon to establish a quaternary center, see ref 3k.
-
(2003)
Chem. Commun.
, pp. 2592
-
-
Zhao, H.1
Pagenkopf, B.L.2
-
15
-
-
0742269839
-
-
For the opening of trisubstituted 2,3-epoxy alcohols or ethers at the more substituted carbon to establish a quaternary center, see: (h) Newbold, R. C.; Shih, T. L.; Mrozik, H.; Fisher, M. H. Tetrahedron Lett. 1993, 34, 3825. (i) Balasubramaniam, R. P.; Moss, D. K.; Wyatt, J. K.; Spence, T. D.; Gee, A.; Nantz, M. H. Tetrahedron 1997, 53, 7429. (j) Benedetti, F.; Berti, F.; Norbedo, S. Tetrahedron Lett. 1999, 40, 1041. (k) Zhao, H.; Pagenkopf, B. L. Chem. Commun. 2003, 2592. (l) Ohno, H.; Hiramatsu, K.; Tanaka, T. Tetrahedron Lett. 2004, 45, 75. For the opening of trialkyl-substituted epoxides at the more substituted carbon to establish a quaternary center, see ref 3k.
-
(2004)
Tetrahedron Lett.
, vol.45
, pp. 75
-
-
Ohno, H.1
Hiramatsu, K.2
Tanaka, T.3
-
17
-
-
0009535314
-
-
For leading references on the unusual nucleophilicity of allylic Grignard reagents, see: (a) Letsinger, R. L.; Traynham, J. G. J. Am. Chem. Soc. 1950, 72, 849. (b) Taber, D. F.; Green, J. H.; Geremia, J. M. J. Org. Chem. 1997, 62, 9342. (c) Ref 31.
-
(1950)
J. Am. Chem. Soc.
, vol.72
, pp. 849
-
-
Letsinger, R.L.1
Traynham, J.G.2
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18
-
-
0009535314
-
-
(c) Ref 31
-
For leading references on the unusual nucleophilicity of allylic Grignard reagents, see: (a) Letsinger, R. L.; Traynham, J. G. J. Am. Chem. Soc. 1950, 72, 849. (b) Taber, D. F.; Green, J. H.; Geremia, J. M. J. Org. Chem. 1997, 62, 9342. (c) Ref 31.
-
(1997)
J. Org. Chem.
, vol.62
, pp. 9342
-
-
Taber, D.F.1
Green, J.H.2
Geremia, J.M.3
-
19
-
-
0001091838
-
-
Sneen, R. A.; Felt, G. R.; Dickason, W. C. J. Am. Chem. Soc. 1973, 95, 638.
-
(1973)
J. Am. Chem. Soc.
, vol.95
, pp. 638
-
-
Sneen, R.A.1
Felt, G.R.2
Dickason, W.C.3
-
20
-
-
0001521888
-
-
For reviews on the enantioselective construction of quaternary stereogenic centers, see: (a) Fuji, K. Chem. Rev. 1993, 93, 2037. (b) Corey, E. J.; Guzman-Perez, A. Angew. Chem., Int. Ed. 1998, 37, 388. (c) Christoffers, J.; Mann, A. Angew. Chem., Int. Ed. 2001, 40, 4591. (d) Denissova, I.; Barriault, L. Tetrahedron 2003, 59, 10105.
-
(1993)
Chem. Rev.
, vol.93
, pp. 2037
-
-
Fuji, K.1
-
21
-
-
0032473509
-
-
For reviews on the enantioselective construction of quaternary stereogenic centers, see: (a) Fuji, K. Chem. Rev. 1993, 93, 2037. (b) Corey, E. J.; Guzman-Perez, A. Angew. Chem., Int. Ed. 1998, 37, 388. (c) Christoffers, J.; Mann, A. Angew. Chem., Int. Ed. 2001, 40, 4591. (d) Denissova, I.; Barriault, L. Tetrahedron 2003, 59, 10105.
-
(1998)
Angew. Chem., Int. Ed.
, vol.37
, pp. 388
-
-
Corey, E.J.1
Guzman-Perez, A.2
-
22
-
-
0035905575
-
-
For reviews on the enantioselective construction of quaternary stereogenic centers, see: (a) Fuji, K. Chem. Rev. 1993, 93, 2037. (b) Corey, E. J.; Guzman-Perez, A. Angew. Chem., Int. Ed. 1998, 37, 388. (c) Christoffers, J.; Mann, A. Angew. Chem., Int. Ed. 2001, 40, 4591. (d) Denissova, I.; Barriault, L. Tetrahedron 2003, 59, 10105.
-
(2001)
Angew. Chem., Int. Ed.
, vol.40
, pp. 4591
-
-
Christoffers, J.1
Mann, A.2
-
23
-
-
0344064789
-
-
For reviews on the enantioselective construction of quaternary stereogenic centers, see: (a) Fuji, K. Chem. Rev. 1993, 93, 2037. (b) Corey, E. J.; Guzman-Perez, A. Angew. Chem., Int. Ed. 1998, 37, 388. (c) Christoffers, J.; Mann, A. Angew. Chem., Int. Ed. 2001, 40, 4591. (d) Denissova, I.; Barriault, L. Tetrahedron 2003, 59, 10105.
-
(2003)
Tetrahedron
, vol.59
, pp. 10105
-
-
Denissova, I.1
Barriault, L.2
-
24
-
-
7444236302
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-
note
-
Conditions: Chiral HPLC, Chiralcel OD, 1% 2-propanol/hexane, 1 mL/ min, retention time of 33.5 min for the major enantiomer and 38.6 min for the minor enantiomer. Shi's group demonstrated that asymmetric epoxidation gave much higher ee with the six-membered alkynyl alkene (ref 2).
-
-
-
-
28
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-
0009295974
-
-
For a similar intramolecular alkylation of an aldehyde to form a cyclopropane, see: (a) Kim, D. Arch. Pharm Res. 1992, 15, 374.
-
(1992)
Arch. Pharm. Res.
, vol.15
, pp. 374
-
-
Kim, D.1
-
29
-
-
0042771972
-
-
For leading references to the construction of carbocyclic rings by intramolecular sulfone alkylation, see: (b) Ogura, K.; Iihama. T.; Takahashi, K.; Iida, H. Tetrahedron Lett. 1984, 25, 2671. (c) Eisch, J. J.; Dua, S. K.; Behrooz, M. J. Org. Chem. 1985, 50, 3674. (d) Fuchs, P. L.; Braish, T. F. Chem. Rev. 1986, 86, 903. (e) McCombie, S. W.; Shankar, B. B.; Ganguly, A. K. Tetrahedron Lett. 1987, 28, 4123.
-
(1984)
Tetrahedron Lett.
, vol.25
, pp. 2671
-
-
Ogura, K.1
Iihama, T.2
Takahashi, K.3
Iida, H.4
-
30
-
-
0001277816
-
-
For leading references to the construction of carbocyclic rings by intramolecular sulfone alkylation, see: (b) Ogura, K.; Iihama. T.; Takahashi, K.; Iida, H. Tetrahedron Lett. 1984, 25, 2671. (c) Eisch, J. J.; Dua, S. K.; Behrooz, M. J. Org. Chem. 1985, 50, 3674. (d) Fuchs, P. L.; Braish, T. F. Chem. Rev. 1986, 86, 903. (e) McCombie, S. W.; Shankar, B. B.; Ganguly, A. K. Tetrahedron Lett. 1987, 28, 4123.
-
(1985)
J. Org. Chem.
, vol.50
, pp. 3674
-
-
Eisch, J.J.1
Dua, S.K.2
Behrooz, M.3
-
31
-
-
33845374037
-
-
For leading references to the construction of carbocyclic rings by intramolecular sulfone alkylation, see: (b) Ogura, K.; Iihama. T.; Takahashi, K.; Iida, H. Tetrahedron Lett. 1984, 25, 2671. (c) Eisch, J. J.; Dua, S. K.; Behrooz, M. J. Org. Chem. 1985, 50, 3674. (d) Fuchs, P. L.; Braish, T. F. Chem. Rev. 1986, 86, 903. (e) McCombie, S. W.; Shankar, B. B.; Ganguly, A. K. Tetrahedron Lett. 1987, 28, 4123.
-
(1986)
Chem. Rev.
, vol.86
, pp. 903
-
-
Fuchs, P.L.1
Braish, T.F.2
-
32
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0000444976
-
-
For leading references to the construction of carbocyclic rings by intramolecular sulfone alkylation, see: (b) Ogura, K.; Iihama. T.; Takahashi, K.; Iida, H. Tetrahedron Lett. 1984, 25, 2671. (c) Eisch, J. J.; Dua, S. K.; Behrooz, M. J. Org. Chem. 1985, 50, 3674. (d) Fuchs, P. L.; Braish, T. F. Chem. Rev. 1986, 86, 903. (e) McCombie, S. W.; Shankar, B. B.; Ganguly, A. K. Tetrahedron Lett. 1987, 28, 4123.
-
(1987)
Tetrahedron Lett.
, vol.28
, pp. 4123
-
-
McCombie, S.W.1
Shankar, B.B.2
Ganguly, A.K.3
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