-
2
-
-
85037957339
-
-
(b) Bird, C. W., Ed. Katritzky, A. R.; Rees, C. W.; Scriven, E. F., Series Eds. Pergamon: Oxford Chapter 2.12.
-
(b) Press, J. B.; Russel, R. K.; Christiaens, L. E. E. In Comprehensive Heterocyclic Chemistry II, Vol. 2.; Bird, C. W., Ed. Katritzky, A. R.; Rees, C. W.; Scriven, E. F., Series Eds. Pergamon: Oxford, 1986; Chapter 2.12.
-
(1986)
In Comprehensive Heterocyclic Chemistry II
, vol.2
-
-
Press, J.B.1
Russel, R.K.2
Christiaens, L.E.E.3
-
3
-
-
85037965409
-
-
in Ref. 1b, Chapt. 2.11.
-
Nakayama, J. in Ref. 1b, Chapt. 2.11.
-
-
-
Nakayama, J.1
-
4
-
-
0011925005
-
-
(a)
-
(a) O'Neil, I. A.; Hamilton, K. M.; Miller, J. A.; Young, R. J. Synlett 1995, 151-152.
-
(1995)
Synlett
, pp. 151-152
-
-
O'Neil, I.A.1
Hamilton, K.M.2
Miller, J.A.3
Young, R.J.4
-
6
-
-
0001218092
-
-
(c)
-
(c) Avalos, M.; Babiano, R.; Cabanillas, A.; Cintas, P.; Higes, F. J.; Jiménez, J. L.; Palacios, J. C. J. Org. Chem. 1996, 61, 3738-3748.
-
(1996)
J. Org. Chem.
, vol.61
, pp. 3738-3748
-
-
Avalos, M.1
Babiano, R.2
Cabanillas, A.3
Cintas, P.4
Higes, F.J.5
Jiménez, J.L.6
Palacios, J.C.7
-
7
-
-
0037884077
-
-
(d)
-
(d) Kálai, T.; Sáska, P.; Szabó, Z.; Jeko, J.; Hankovszky, O. H.; Hideg, K. Synth. Commun. 1997, 27, 2041-2050.
-
(1997)
Synth. Commun.
, vol.27
, pp. 2041-2050
-
-
Kálai, T.1
Sáska, P.2
Szabó, Z.3
Jeko, J.4
Hankovszky, O.H.5
Hideg, K.6
-
9
-
-
0001333953
-
-
Ren, X.-F.; Konaklieva, M. I.; Turos, E.; Krajkowski, L. M.; Lake, C. H.; Janik, T. S.; Churchill, M. R. J. Org. Chem. 1995, 60, 6484-6495.
-
(1995)
J. Org. Chem.
, vol.60
, pp. 6484-6495
-
-
Ren, X.-F.1
Konaklieva, M.I.2
Turos, E.3
Krajkowski, L.M.4
Lake, C.H.5
Janik, T.S.6
Churchill, M.R.7
-
13
-
-
37049070399
-
-
Chatterjee, P.; Murphy, P. J.; Pepe, R.; Shaw, M. J. Chem. Soc., Perkin Trans. 1, 1994, 2403-2405.
-
(1994)
J. Chem. Soc., Perkin Trans.
, vol.1
, pp. 2403-2405
-
-
Chatterjee, P.1
Murphy, P.J.2
Pepe, R.3
Shaw, M.4
-
14
-
-
85037962702
-
-
Springer-Verlag: New York
-
Pretch, E.; Simon, W.; Seibl, J.; Clerc, T. Tables of Spectral Data for Structure Determination of Organic Compounds, 2nd Ed. Springer-Verlag: New York, 1989; p. H100.
-
(1989)
Tables of Spectral Data for Structure Determination of Organic Compounds, 2nd Ed
-
-
Pretch, E.1
Simon, W.2
Seibl, J.3
Clerc, T.4
-
18
-
-
85037952739
-
-
Note
-
9BrS: C, 49.81; H, 3.76. Found: C, 49.79; H, 3.88.
-
-
-
-
19
-
-
85037955107
-
-
Note
-
1H NMR splitting pattern, already established for isolated products 2a-c, i-k. In one instance, the crude mixture containing 1e and 2e was oxidized (MCPBA) and the resulting S,S-dioxide of 2e was isolated and fully characterized.
-
-
-
-
20
-
-
0000605378
-
-
(a)
-
(a) Block, E.; Schwan, A.; Dixon, D. A. J. Am. Chem. Soc. 1992, 114, 3492-3499.
-
(1992)
J. Am. Chem. Soc.
, vol.114
, pp. 3492-3499
-
-
Block, E.1
Schwan, A.2
Dixon, D.A.3
-
22
-
-
85037954979
-
-
The proposed mechanism(s) suggests that allenyl sulfides 3 and propargyl sulfides 4 should also be starting materials for the cyclization. Indeed upon exposure of 3a and 4a to the standard conditions, 2a was obtained in 43 and 38% yields, respectively.
-
The proposed mechanism(s) suggests that allenyl sulfides 3 and propargyl sulfides 4 should also be starting materials for the cyclization. Indeed upon exposure of 3a and 4a to the standard conditions, 2a was obtained in 43 and 38% yields, respectively.
-
-
-
-
23
-
-
85037958736
-
-
+ from the reaction environs.
-
+ from the reaction environs.
-
-
-
-
26
-
-
12044250766
-
-
(c) We thank Prof. Brummond for bringing this reference to our attention
-
(c) Funk, R.; Bolton, G.; Brummond, K.; Ellestad, K.; Stallman, J. J. Am. Chem. Soc. 1993, 115, 7023-7024. We thank Prof. Brummond for bringing this reference to our attention.
-
(1993)
J. Am. Chem. Soc.
, vol.115
, pp. 7023-7024
-
-
Funk, R.1
Bolton, G.2
Brummond, K.3
Ellestad, K.4
Stallman, J.5
-
27
-
-
0034614390
-
-
(a)
-
(a) Langeveld-Voss, B. M. W.; Janssen, R. A. J.; Spiering, A. J. H.; van Dongen, J. L. J.; Vonk, E. C.; Claessens, H. A. Chem. Commun. 2000, 81-82;
-
Chem. Commun.
, vol.2000
, pp. 81-82
-
-
Langeveld-Voss, B.M.W.1
Janssen, R.A.J.2
Spiering, A.J.H.3
Van Dongen, J.L.J.4
Vonk, E.C.5
Claessens, H.A.6
-
28
-
-
0034673355
-
-
(b)
-
(b) Breitung, E. M.; Shu, C.-F.; McMahon, R. J. J. Am. Chem. Soc. 2000, 122, 1154-1160.
-
(2000)
J. Am. Chem. Soc.
, vol.122
, pp. 1154-1160
-
-
Breitung, E.M.1
Shu, C.-F.2
McMahon, R.J.3
-
29
-
-
0034723334
-
-
Briehn, C. A.; Kirschbaum, T.; Bäuerle, P. J. Org. Chem. 2000, 65, 352-359.
-
(2000)
J. Org. Chem.
, vol.65
, pp. 352-359
-
-
Briehn, C.A.1
Kirschbaum, T.2
Bäuerle, P.3
|