-
1
-
-
0000717044
-
Amaryllidaceae alkaloids with antitumor activity
-
Hudlicky, T., Ed.; JAI Press, Inc.; Greenwich
-
Reviews: a) Polt, R. "Amaryllidaceae Alkaloids with Antitumor Activity" in Organic Synthesis: Theory and Applications, Hudlicky, T., Ed.; JAI Press, Inc.; Greenwich, 1996; Vol. 3, pp 109-148.
-
(1996)
Organic Synthesis: Theory and Applications
, vol.3
, pp. 109-148
-
-
Polt, R.1
-
2
-
-
77957033352
-
-
Brossi, A.; Ed.; Academic Press: New York
-
b) Martin, S. F. In The Alkaloids; Brossi, A.; Ed.; Academic Press: New York, 1987; Vol. 30, pp 251-376.
-
(1987)
The Alkaloids
, vol.30
, pp. 251-376
-
-
Martin, S.F.1
-
4
-
-
0017032045
-
-
a) Ohta, S.; Kimoto, S. Tetrahedron Lett. 1975, 2279; Chem. Pharm. Bull. 1976, 24, 2977.
-
(1976)
Chem. Pharm. Bull.
, vol.24
, pp. 2977
-
-
-
5
-
-
0019411416
-
-
b) Keck, G. E.; Boden, E.; Sonnewald, U. Tetrahedron Lett. 1981, 22, 2615.
-
(1981)
Tetrahedron Lett.
, vol.22
, pp. 2615
-
-
Keck, G.E.1
Boden, E.2
Sonnewald, U.3
-
7
-
-
0019952166
-
-
c) Paulsen, H.; Stubbe, M. Tetrahedron Lett. 1982, 23, 3171; Liebigs Ann. Chem. 1983, 535.
-
(1983)
Liebigs Ann. Chem.
, pp. 535
-
-
-
13
-
-
0025837981
-
-
i) Chida, N.; Ohtsuka, M.; Ogawa, S. Tetrahedron Lett. 1991, 32, 4525.
-
(1991)
Tetrahedron Lett.
, vol.32
, pp. 4525
-
-
Chida, N.1
Ohtsuka, M.2
Ogawa, S.3
-
14
-
-
0026634836
-
-
j) Martin, S. F.; Hartmann, M.; Josey, J. A. Tetrahedron Lett. 1992, 33, 3583.
-
(1992)
Tetrahedron Lett.
, vol.33
, pp. 3583
-
-
Martin, S.F.1
Hartmann, M.2
Josey, J.A.3
-
15
-
-
0026495527
-
-
k) Lopes, R. S. C.; Lopes, C. C.; Heathcock, C. H. Tetrahedron Lett. 1992, 33, 6775.
-
(1992)
Tetrahedron Lett.
, vol.33
, pp. 6775
-
-
Lopes, R.S.C.1
Lopes, C.C.2
Heathcock, C.H.3
-
17
-
-
0027296580
-
-
m) Chida, N.; Ohtsuka, M.; Ogawa, S. J. Org. Chem. 1993, 58, 4441.
-
(1993)
J. Org. Chem.
, vol.58
, pp. 4441
-
-
Chida, N.1
Ohtsuka, M.2
Ogawa, S.3
-
20
-
-
0027313462
-
-
p) Chretien, F.; Ahmed, S. I.; Masion, A.; Chapleur, Y. Tetrahedron 1993, 49, 7463.
-
(1993)
Tetrahedron
, vol.49
, pp. 7463
-
-
Chretien, F.1
Ahmed, S.I.2
Masion, A.3
Chapleur, Y.4
-
21
-
-
0028008531
-
-
q) Banwell, M. G.; Cowden, C. J.; Mackay, M. F. J. Chem. Soc., Chem. Commun. 1994, 61.
-
(1994)
J. Chem. Soc., Chem. Commun.
, pp. 61
-
-
Banwell, M.G.1
Cowden, C.J.2
Mackay, M.F.3
-
23
-
-
0027970565
-
-
s) Doyle, T. J.; Hendrix, M.; Haseltine, J. Tetrahedron Lett. 1994, 35, 8295.
-
(1994)
Tetrahedron Lett.
, vol.35
, pp. 8295
-
-
Doyle, T.J.1
Hendrix, M.2
Haseltine, J.3
-
24
-
-
0027998562
-
-
t) Hudlicky, T.; Olivo, H. F.; McKibben, B. J. Am. Chem. Soc. 1994, 116, 5108.
-
(1994)
J. Am. Chem. Soc.
, vol.116
, pp. 5108
-
-
Hudlicky, T.1
Olivo, H.F.2
McKibben, B.3
-
26
-
-
0028956280
-
-
v) Khaldi, M.; Chretien, F.; Chapleur, Y. Tetrahedron Lett. 1995, 36, 3003.
-
(1995)
Tetrahedron Lett.
, vol.36
, pp. 3003
-
-
Khaldi, M.1
Chretien, F.2
Chapleur, Y.3
-
28
-
-
0029081609
-
-
x) Doyle, T. J.; VanDerveer, D.; Haseltine, J. Tetrahedron Lett. 1995, 36, 6197.
-
(1995)
Tetrahedron Lett.
, vol.36
, pp. 6197
-
-
Doyle, T.J.1
Vanderveer, D.2
Haseltine, J.3
-
30
-
-
0030070885
-
-
z) Acena, J. L.; Arjona, O.; Iradier, F. Plumet, J. Tetrahedron Lett. 1996, 37, 105.
-
(1996)
Tetrahedron Lett.
, vol.37
, pp. 105
-
-
Acena, J.L.1
Arjona, O.2
Iradier, F.3
Plumet, J.4
-
32
-
-
0028931479
-
-
Syntheses of (+)-4: a) Tian, X.; Hudlicky, T.; Konigsberger, K. J. Am. Chem. Soc. 1995, 117, 3643.
-
(1995)
J. Am. Chem. Soc.
, vol.117
, pp. 3643
-
-
Tian, X.1
Hudlicky, T.2
Konigsberger, K.3
-
34
-
-
0029052207
-
-
Syntheses of (+)-3: a) Keck, G. E.; McHardy, S. F.; Murry, J. A. J. Am. Chem. Soc. 1995, 117, 7289.
-
(1995)
J. Am. Chem. Soc.
, vol.117
, pp. 7289
-
-
Keck, G.E.1
McHardy, S.F.2
Murry, J.A.3
-
35
-
-
0001481868
-
-
b) Chida, N.; Jitsuoka, M.; Yamamoto, Y.; Ohtsuka, M.; Ogawa, S. Heterocycles, 1996, 43, 1385.
-
(1996)
Heterocycles
, vol.43
, pp. 1385
-
-
Chida, N.1
Jitsuoka, M.2
Yamamoto, Y.3
Ohtsuka, M.4
Ogawa, S.5
-
36
-
-
0342913279
-
-
Reference 2c describes a synthetic route to (+)-1 for which (+)-3 is an intermediate
-
Reference 2c describes a synthetic route to (+)-1 for which (+)-3 is an intermediate.
-
-
-
-
37
-
-
0342913277
-
-
This isomerization has precedent in the syntheses of 1, 3, and 4 described in references 2a, 2c, 3, and 5a
-
This isomerization has precedent in the syntheses of 1, 3, and 4 described in references 2a, 2c, 3, and 5a.
-
-
-
-
39
-
-
0027219906
-
-
A recent publication describes an acyclic approach to an analogous D-carbohydrate L-carbohydrate conversion via "hidden C2 symmetry"; see: Furstner, A.; Baumgartner, J. Tetrahedron 1993, 49, 8541.
-
(1993)
Tetrahedron
, vol.49
, pp. 8541
-
-
Furstner, A.1
Baumgartner, J.2
-
41
-
-
0025180589
-
-
3N, 87%); this was closely related to the procedure of Overman et al., see: Abelman, M. M.; Overman, L. E.; Tran, V. D. J. Am. Chem. Soc. 1990, 112, 6959.
-
(1990)
J. Am. Chem. Soc.
, vol.112
, pp. 6959
-
-
Abelman, M.M.1
Overman, L.E.2
Tran, V.D.3
-
42
-
-
0025136899
-
-
Barton, D. H. R.; Augy-Dorey, S.; Camara, J.; Dalko, P.; Delaumény, J. M.; Géro, S. D.; Quiclet-Sire, B.; Stütz, P. Tetrahedron 1990, 46, 215.
-
(1990)
Tetrahedron
, vol.46
, pp. 215
-
-
Barton, D.H.R.1
Augy-Dorey, S.2
Camara, J.3
Dalko, P.4
Delaumény, J.M.5
Géro, S.D.6
Quiclet-Sire, B.7
Stütz, P.8
-
43
-
-
0000269209
-
-
a) Chida, N.; Ohtsuka, M.; Ogura, K.; Ogawa, S. Bull. Chem. Soc. Jap. 1991, 64, 2118.
-
(1991)
Bull. Chem. Soc. Jap.
, vol.64
, pp. 2118
-
-
Chida, N.1
Ohtsuka, M.2
Ogura, K.3
Ogawa, S.4
-
44
-
-
0000776391
-
-
Corey, E. J.; Cho, H.; Rücker, C.; Hua, D. H. Tetrahedron Lett. 1981, 22, 3455.
-
(1981)
Tetrahedron Lett.
, vol.22
, pp. 3455
-
-
Corey, E.J.1
Cho, H.2
Rücker, C.3
Hua, D.H.4
-
45
-
-
0342478923
-
-
4 in ethanol was complicated by base-induced enolization and subsequent elimination of BnOH
-
4 in ethanol was complicated by base-induced enolization and subsequent elimination of BnOH.
-
-
-
-
47
-
-
0343784180
-
-
note
-
That only 21 and 22 were obtained demonstrated that 18b(α) and 18b(β), after silylation, each underwent highly stereospecific hydride reduction. Chromatographically separated 21 and 22 each furnished 20b upon Swern oxidation in parallel experiments.
-
-
-
-
48
-
-
0343784183
-
-
note
-
1H NMR spectral data: For reductive cyclization, 23a:24a = 4:1 and 23b:24b = 5:1. For non-reductive cyclization, 24a:23a = 9:1 and 24b:23b = 12:1. Details are found in reference 7.
-
-
-
-
49
-
-
0342913271
-
-
note
-
1H NMR coupling constant analysis. Prior to crystallographic analysis, we had misassigned this structure in an earlier communication (see reference 7).
-
-
-
|