-
7
-
-
0347225187
-
-
J.E. Saxton G.A. Cordell, The Alkaloids Vol. 51 1998 Academic Press New York Chapter 1
-
(1998)
The Alkaloids
, vol.51
-
-
Saxton, J.E.1
-
8
-
-
0034728886
-
-
Enantiocontrolled synthesis of (+)-20R-15, 20-dihydrocleavamine, see B. Danieli, G. Lesma, D. Passarella, and A. Silvani Tetrahedron Lett. 41 2000 3489
-
(2000)
Tetrahedron Lett.
, vol.41
, pp. 3489
-
-
Danieli, B.1
Lesma, G.2
Passarella, D.3
Silvani, A.4
-
10
-
-
0141520639
-
-
M. Amat, C. Escolano, O. Lozano, N. Llor, and J. Bosch Org. Lett. 5 2003 3139
-
(2003)
Org. Lett.
, vol.5
, pp. 3139
-
-
Amat, M.1
Escolano, C.2
Lozano, O.3
Llor, N.4
Bosch, J.5
-
11
-
-
0004843579
-
-
For selected total synthesis of (-)-eburnamonine, see S. Takano, M. Yonaga, M. Morimoto, and K. Ogasawara J. Chem. Soc., Perkin Trans. 1 1985 305
-
(1985)
J. Chem. Soc., Perkin Trans.
, vol.1
, pp. 305
-
-
Takano, S.1
Yonaga, M.2
Morimoto, M.3
Ogasawara, K.4
-
22
-
-
0033591940
-
-
For recent total synthesis of Aspidosperma alkaloids, see F. He, Y. Bo, J.D. Altom, and E.J. Corey J. Am. Chem. Soc. 121 1999 6771
-
(1999)
J. Am. Chem. Soc.
, vol.121
, pp. 6771
-
-
He, F.1
Bo, Y.2
Altom, J.D.3
Corey, E.J.4
-
26
-
-
34548108640
-
-
I. Coldham, A.J.M. Burrell, L.E. White, H. Adams, and N. Oram Angew. Chem. Int. Ed. 46 2007 6159
-
(2007)
Angew. Chem. Int. Ed.
, vol.46
, pp. 6159
-
-
Coldham, I.1
Burrell, A.J.M.2
White, L.E.3
Adams, H.4
Oram, N.5
-
30
-
-
33746068471
-
-
Previously, the conversion of 1 to 8 was conducted by a two step sequence consisting of (i) Dess-Martin periodinane-mediated oxidation to give 7, and (ii) warming 7 in acetic acid to promote the β-elimination of a cumyl alcohol; see ref. 1. The facile one-pot conversion of 1 to 8 features the inherent acidic nature of IBX in DMSO. For the discussion on pKa of IBX, see M.J. Gallen, R. Goumont, T. Clark, F. Terrier, and C.M. Williams Angew. Chem. Int. Ed. 45 2006 2929
-
(2006)
Angew. Chem. Int. Ed.
, vol.45
, pp. 2929
-
-
Gallen, M.J.1
Goumont, R.2
Clark, T.3
Terrier, F.4
Williams, C.M.5
-
40
-
-
33646448408
-
-
T. Itoh, M. Yokota, K. Miyauchi, K. Nagata, and A. Ohsawa Org. Lett. 8 2006 1533
-
(2006)
Org. Lett.
, vol.8
, pp. 1533
-
-
Itoh, T.1
Yokota, M.2
Miyauchi, K.3
Nagata, K.4
Ohsawa, A.5
-
42
-
-
33947657480
-
-
A. Tosaka, S. Itoh, N. Miyaszawa, M. Shibuya, K. Ogasawara, and Y. Iwabuchi Heterocycles 70 2006 153
-
(2006)
Heterocycles
, vol.70
, pp. 153
-
-
Tosaka, A.1
Itoh, S.2
Miyaszawa, N.3
Shibuya, M.4
Ogasawara, K.5
Iwabuchi, Y.6
-
48
-
-
0028088052
-
-
B. Danieli, G. Lesma, M. Mauro, G. Palmisano, and D. Passarella Tetrahedron Lett. 50 1994 8837
-
(1994)
Tetrahedron Lett.
, vol.50
, pp. 8837
-
-
Danieli, B.1
Lesma, G.2
Mauro, M.3
Palmisano, G.4
Passarella, D.5
-
58
-
-
77955699830
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note
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The prolongation of reaction time resulted in the attenuation of the diasteroselectivity in the Pictet-Spengler reaction of 34, suggesting that C(3) β-36 is the kinetically favored product.
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