-
1
-
-
0010329824
-
-
UMN Undergraduate Research Participants: 1997-1998
-
[1] a. UMN Undergraduate Research Participants: 1997-1998.
-
-
-
-
2
-
-
0010378318
-
-
UMN Undergraduate UROP Fellow 1998
-
b. UMN Undergraduate UROP Fellow 1998.
-
-
-
-
3
-
-
0010405450
-
-
[2] The synthetic potential of dienes 1 and 2 in constructing complex structures via [4+2] cycloaddition reaction was first proposed by Robinson: Meggy, A. B.; Robinson, R. Nature, 1937, 140, 282.
-
(1937)
Nature
, vol.140
, pp. 282
-
-
Meggy, A.B.1
Robinson, R.2
-
5
-
-
37049103748
-
-
b) Hollinshead, D. M.; Howell, S. C.; Ley, S. V.; Mahon, M.; Ratcliffe, N. M.; Worthington, P. A. J. Chem. Soc. Perkin Trans. I 1983, 1579.
-
(1983)
J. Chem. Soc. Perkin Trans. I
, pp. 1579
-
-
Hollinshead, D.M.1
Howell, S.C.2
Ley, S.V.3
Mahon, M.4
Ratcliffe, N.M.5
Worthington, P.A.6
-
7
-
-
0026706691
-
-
d) Engler, T. A.; Sampath. U.-S.; Vander Velde, D.; Takusagawa, F. Tetrahedron 1992, 48, 9399.
-
(1992)
Tetrahedron
, vol.48
, pp. 9399
-
-
Engler, T.A.1
Sampath, U.-S.2
Vander Velde, D.3
Takusagawa, F.4
-
8
-
-
0031562127
-
-
e) Mayelvaganan, T.; Hadimani, S. B.; Bhat, S. V. Tetrahedron 1997, 53, 2185.
-
(1997)
Tetrahedron
, vol.53
, pp. 2185
-
-
Mayelvaganan, T.1
Hadimani, S.B.2
Bhat, S.V.3
-
9
-
-
0010330819
-
-
and reference 4 cited within
-
[4] For examples of diene 2, see: a) Goldman, N. L. Chem. Ind. (London) 1963, 1036, and reference 4 cited within.
-
(1963)
Chem. Ind. (London)
, pp. 1036
-
-
Goldman, N.L.1
-
10
-
-
0010408409
-
-
b) Stork, G.; Wagle, S. S.; Mukharji, P. C. J. Am. Chem. Soc. 1953, 75, 3197. For the reactions of 2 with imines, see:
-
(1953)
J. Am. Chem. Soc.
, vol.75
, pp. 3197
-
-
Stork, G.1
Wagle, S.S.2
Mukharji, P.C.3
-
11
-
-
0032576858
-
-
c) Stanetty, P.; Mihovilovic, M. D.; Mereiter, K.; Völlenkle, H.; Renz, F. Tetrahedron 1998, 54, 875.
-
(1998)
Tetrahedron
, vol.54
, pp. 875
-
-
Stanetty, P.1
Mihovilovic, M.D.2
Mereiter, K.3
Völlenkle, H.4
Renz, F.5
-
12
-
-
37049150237
-
-
[5] For an early study on 1,1-disubsituited butadienes such as 3 and 4, see: Lunt, J. C.; Sondheimer, F. J. Chem. Soc. 1950, 2957.
-
(1950)
J. Chem. Soc.
, vol.2957
-
-
Lunt, J.C.1
Sondheimer, F.2
-
15
-
-
0029115421
-
-
c) Tjepkema, M. W.; Wilson, P. D.; Wong, T.; Romero, M. A.; Audrain, H.; Fallis, A. G. Tetrahedron Lett. 1995, 6039.
-
(1995)
Tetrahedron Lett.
, vol.6039
-
-
Tjepkema, M.W.1
Wilson, P.D.2
Wong, T.3
Romero, M.A.4
Audrain, H.5
Fallis, A.G.6
-
16
-
-
0000405463
-
-
[7] For a detailed study on reactivity of the diene 3 towards α,β-unsaturated aldehydes, see: Dai, W.-M.; Lau, C. W.; Chung, S. H.; Wu, Y.-D. J. Org. Chem. 1995, 60, 8128.
-
(1995)
J. Org. Chem.
, vol.60
, pp. 8128
-
-
Dai, W.-M.1
Lau, C.W.2
Chung, S.H.3
Wu, Y.-D.4
-
18
-
-
0001237364
-
-
b) Stewart, C. A. Jr. J. Org. Chem. 1963, 28, 3320. For reactions of 3 with acrylic acid and 2-chloroacrylonitrile under high temperatures, see:
-
(1963)
J. Org. Chem.
, vol.28
, pp. 3320
-
-
Stewart C.A., Jr.1
-
19
-
-
0010329435
-
-
c) Nicolaou, K. C.; Hwang, C.-K.; Sorensen, E. J.; Clairborne, C. F. J. Chem. Soc., Chem. Commun. 1992, 117.
-
(1992)
J. Chem. Soc., Chem. Commun.
, pp. 117
-
-
Nicolaou, K.C.1
Hwang, C.-K.2
Sorensen, E.J.3
Clairborne, C.F.4
-
23
-
-
0010378319
-
-
note
-
13C NMR, FTIR, and HRMS.
-
-
-
-
24
-
-
0002330124
-
-
[11] a) Altenbach, V. H.-J.; Voss, B.; Vogel, E. Angew. Chem. 1983, 95, 424.
-
(1983)
Angew. Chem.
, vol.95
, pp. 424
-
-
Altenbach, V.H.-J.1
Voss, B.2
Vogel, E.3
|