-
1
-
-
0029100620
-
-
Searle, P. A.; Molinski, T. F. J. Am, Chem. Soc. 1995, 117, 8126-8131.
-
(1995)
J. Am, Chem. Soc.
, vol.117
, pp. 8126-8131
-
-
Searle, P.A.1
Molinski, T.F.2
-
2
-
-
0029854666
-
-
Searle, P. A.; Molinski, T. F.; Brzezinski, L. J.; Leahy, J. W. J. Am. Chem. Soc. 1996, 118, 9422-9423.
-
(1996)
J. Am. Chem. Soc.
, vol.118
, pp. 9422-9423
-
-
Searle, P.A.1
Molinski, T.F.2
Brzezinski, L.J.3
Leahy, J.W.4
-
5
-
-
0030052742
-
-
(a) Mujica, M. T.; Afonso, M. M.; Galindo, A.; Palenzuela, J. A. Tetrahedron 1996, 52, 2167-2176.
-
(1996)
Tetrahedron
, vol.52
, pp. 2167-2176
-
-
Mujica, M.T.1
Afonso, M.M.2
Galindo, A.3
Palenzuela, J.A.4
-
6
-
-
0002335268
-
-
(b) Mujica, M. T.; Afonso, M. M.; Galindo, A.; Palenzuela, J. A. Synlett 1996, 983-984.
-
(1996)
Synlett
, pp. 983-984
-
-
Mujica, M.T.1
Afonso, M.M.2
Galindo, A.3
Palenzuela, J.A.4
-
7
-
-
0019964601
-
-
(a) Danishefsky, S.; Kobayashi, S.; Kerwin, J. F., Jr. J. Org. Chem. 1982, 47, 1981-1983.
-
(1982)
J. Org. Chem.
, vol.47
, pp. 1981-1983
-
-
Danishefsky, S.1
Kobayashi, S.2
Kerwin Jr., J.F.3
-
8
-
-
0001640244
-
-
Trost, B. M., Ed., Pergamon Press: New York
-
(b) For a review see: Bednarski, M. D., Lyssikatos, J. P. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press: New York, 1991; Vol. 2, pp 661-706.
-
(1991)
Comprehensive Organic Synthesis
, vol.2
, pp. 661-706
-
-
Bednarski, M.D.1
Lyssikatos, J.P.2
-
9
-
-
8544284323
-
-
Diene 4 was prepared in five steps and 52% overall yield from 1,3-propanediol as described in the Supporting Information
-
Diene 4 was prepared in five steps and 52% overall yield from 1,3-propanediol as described in the Supporting Information.
-
-
-
-
10
-
-
8544282672
-
-
note
-
H-H values of the α-keto protons indicate that both are exo Diels-Alder adducts. Because cyclocondensations of 3 have been shown previously to be highly Cram selective (ref 6a), it is likely that the major byproduct is the Cram-exo adduct and, hence, the overall Cram selectivity is ca. 20:1.
-
-
-
-
11
-
-
8544219946
-
-
2-mediated silyl enol ether cyclocondensation products from 4 and 7 gave a mixture of ketones in a 2:1: 1:1 ratio and 68% combined yield
-
2-mediated silyl enol ether cyclocondensation products from 4 and 7 gave a mixture of ketones in a 2:1: 1:1 ratio and 68% combined yield.
-
-
-
-
12
-
-
33845375686
-
-
Jin, H.; Uenishi, J.; Christ, W. J.; Kishi, Y. J. Am. Chem. Soc. 1986, 108, 5644-5646.
-
(1986)
J. Am. Chem. Soc.
, vol.108
, pp. 5644-5646
-
-
Jin, H.1
Uenishi, J.2
Christ, W.J.3
Kishi, Y.4
-
13
-
-
0000959935
-
-
Takai, K.; Yagashirs, M.; Kuroda, T.; Oshima, T.; Uchimoto, K.; Nozaki, H. J. Am. Chem. Soc. 1986, 108, 6048-6050.
-
(1986)
J. Am. Chem. Soc.
, vol.108
, pp. 6048-6050
-
-
Takai, K.1
Yagashirs, M.2
Kuroda, T.3
Oshima, T.4
Uchimoto, K.5
Nozaki, H.6
-
14
-
-
8544229398
-
-
Bromide 8 was prepared from (S)-4-[(4-methoxybenzyl)oxy]butane-l,2-diol as described in the Supporting Information
-
Bromide 8 was prepared from (S)-4-[(4-methoxybenzyl)oxy]butane-l,2-diol as described in the Supporting Information.
-
-
-
-
15
-
-
8544273473
-
-
Stereochemical assignments for 9 and 10 were made on the basis of Mosher ester analysis as described in the Supporting Information
-
Stereochemical assignments for 9 and 10 were made on the basis of Mosher ester analysis as described in the Supporting Information.
-
-
-
-
17
-
-
0026774529
-
-
A conceptually similar approach toward intramolecular oxane formation has been reported previously: Aicher, T. D.; Buszek, K. R.; Fang, F. G.; Forsyth, C. J.; Jung, S. H.; Kishi, Y.; Scola, P. M.; Spero, D. M.; Yoon, S. K. J. Am. Chem. Soc. 1992, 114, 3162-3164.
-
(1992)
J. Am. Chem. Soc.
, vol.114
, pp. 3162-3164
-
-
Aicher, T.D.1
Buszek, K.R.2
Fang, F.G.3
Forsyth, C.J.4
Jung, S.H.5
Kishi, Y.6
Scola, P.M.7
Spero, D.M.8
Yoon, S.K.9
-
18
-
-
0000865359
-
-
Lal, B.; Pramanik, B. N.; Mannas, M. S.; Bose, A. K. Tetrahedron Lett. 1977, 1977-1980.
-
(1977)
Tetrahedron Lett.
, pp. 1977-1980
-
-
Lal, B.1
Pramanik, B.N.2
Mannas, M.S.3
Bose, A.K.4
-
19
-
-
49049124890
-
-
Vaultier, M.; Knouzi, N.; Carrie, R. Tetrahedron Lett. 1983, 24, 763-764.
-
(1983)
Tetrahedron Lett.
, vol.24
, pp. 763-764
-
-
Vaultier, M.1
Knouzi, N.2
Carrie, R.3
|