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1
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0035905866
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Cytotoxic responses to aromatic ring and configurational variations in α-conidendrin, podophyllotoxin, and sikkimotoxin derivatives
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Dantzig, A.; LaLonde, R. T.; Ramdayal, F. D.; Shepard, R. L.; Yanai, K.; Zhang, M. Cytotoxic responses to aromatic ring and configurational variations in α-conidendrin, podophyllotoxin, and sikkimotoxin derivatives. J. Med. Chem. 2001, 44, 180-185.
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J. Med. Chem.
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Dantzig, A.1
LaLonde, R.T.2
Ramdayal, F.D.3
Shepard, R.L.4
Yanai, K.5
Zhang, M.6
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2
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0033603486
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Directed DDQ-promoted benzylic oxygenations of tetrahydronaphthalenes
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Ramdayal, F. D.; Kiemle, D. J.; LaLonde, R. T. Directed DDQ-promoted benzylic oxygenations of tetrahydronaphthalenes. J. Org. Chem. 1999, 64, 4607-4609.
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Ramdayal, F.D.1
Kiemle, D.J.2
LaLonde, R.T.3
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3
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0344883255
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note
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One indicator of the spacial relation between fused and pendant aromatic ring is the torsion angle C-5, C-4a, C-4, all within the tetrahydronaphthalene scaffold, and C-1′ of the pendant ring. The measure of this torsion angle indicates the position of C-1′ relative to the plane of the fused aromatic ring. The energy-minimized, Alchemy models of oxolane 10 and oxabicyclooctane 5 (Scheme 1) and dioxatricyclodecane 14 and oxabicyclooctane 16 (Scheme 2) have the torsion angles as follows: 10, 73.6°; 5, 24.6°; 14, 26.1°; and 16, 48.9°. The torsion angle C-4a, C-4, C-1′, and C-2′(or 6′) defines the twist orientation of the pendant ring plane relative to the plane of the fused aromatic ring.
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4
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33947558653
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The naturally occurring lignans
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Hearon, W. M.; MacGregor, W. S. The naturally occurring lignans. Chem. Rev. 1955, 55, 957-1068.
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Chem. Rev.
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, pp. 957-1068
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Hearon, W.M.1
MacGregor, W.S.2
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5
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21844496861
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Preparation of triols and ethers related to podophyllotoxin
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Castro, M. A.; Gordaliza, M.; del Corral, J. M. M.; San Feliciano, A. Preparation of triols and ethers related to podophyllotoxin. Org. Prep. Proced. Int. 1994, 26, 539-547.
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(1994)
Org. Prep. Proced. Int.
, vol.26
, pp. 539-547
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Castro, M.A.1
Gordaliza, M.2
Del Corral, J.M.M.3
San Feliciano, A.4
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6
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0344020151
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note
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A shorter route to 28, involving initial mesylation of oxabicyclooctane 6 followed by reduction, was infeasible since the mesylate of 6 was found unstable at temperatures considerably lower than that required for a NaI/Zn-reduction.
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7
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0344883252
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U.S. Patent 4609644, Sep. 2, 1986
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Nemec, J. U.S. Patent 4609644, Sep. 2, 1986.
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Nemec, J.1
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8
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0035953324
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50 value of < -8 in CAKI-1, whereas the antineoplastic agent Etoposide gives a value of -5.2 in the same cell line, as reported by Van Vliet, D. S.; Tachichibana, Y.; Bastow, K. F.; Huang, E. S.; Lee, K. H. J. Med. Chem. 2001, 44, 1422-1428.
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J. Med. Chem.
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, pp. 1422-1428
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Van Vliet, D.S.1
Tachichibana, Y.2
Bastow, K.F.3
Huang, E.S.4
Lee, K.H.5
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9
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0344451444
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note
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Preliminary investigations by Dr. Susan Bane (Chemistry Department, SUNY Binghamton, Binghamton, NY) indicate that unlike PT its cytotoxic dioxatricyclodecane derivative 14 has no effect on microtubule polymerization at concentrations up to 55 μM.
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10
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0029067452
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In vivo cultivation of tumor cells in hollow fibers
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Hollingshead, M. G.; Alley, M. C.; Camalier, R. F.; Abbott, B. J.; Mayo, J. G.; Malspeis, L.; Grever, M. R. In vivo cultivation of tumor cells in hollow fibers. Life Sci. 1995, 57, 131-141.
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Life Sci.
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Hollingshead, M.G.1
Alley, M.C.2
Camalier, R.F.3
Abbott, B.J.4
Mayo, J.G.5
Malspeis, L.6
Grever, M.R.7
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11
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0345314345
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note
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Tripos Inc, 1699 South Hanley Road, St. Louis, MO 63144.
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12
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84971062030
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Some constituents of Australobaileya scandens (Austrobailyaceae) structures of seven new lignans
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Murphy, S. T.; Ritchie, E.; Taylor, W. C. Some constituents of Australobaileya scandens (Austrobailyaceae) structures of seven new lignans. Aust. J. Chem. 1975, 28, 81-90.
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, vol.28
, pp. 81-90
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Murphy, S.T.1
Ritchie, E.2
Taylor, W.C.3
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13
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0026450748
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Anti-tumor agents. I. DNA topoisomerase II inhibitory activity and the structural relationship of podophyllotoxin derivatives as antitumor agents
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Terada, T.; Fujimoto, K.; Nomura, M.; Yamashita, J.; Kobunai, T.; Takeda, S.; Wierzba, K.; Yamada, Y.; Yamaguchi, H. Anti-tumor agents. I. DNA topoisomerase II inhibitory activity and the structural relationship of podophyllotoxin derivatives as antitumor agents. Chem. Pharm. Bull. 1992, 40, 2720-2727.
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(1992)
Chem. Pharm. Bull.
, vol.40
, pp. 2720-2727
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Terada, T.1
Fujimoto, K.2
Nomura, M.3
Yamashita, J.4
Kobunai, T.5
Takeda, S.6
Wierzba, K.7
Yamada, Y.8
Yamaguchi, H.9
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14
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0030506284
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A simple one-pot preparation of 4-alkoxy- and 4-alkylthio-catechols and benzoquinones
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Cooksey, C. J.; Land, E. J.; Riley, P. A. A simple one-pot preparation of 4-alkoxy- and 4-alkylthio-catechols and benzoquinones. Org. Prep. Proced. Int. 1996, 28, 463-498.
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(1996)
Org. Prep. Proced. Int.
, vol.28
, pp. 463-498
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Cooksey, C.J.1
Land, E.J.2
Riley, P.A.3
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15
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0001688531
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A novel method for reductive removal of tosyloxy and mesyloxy groups
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Fujimoto, Y.; Tatsuno, T. A novel method for reductive removal of tosyloxy and mesyloxy groups. Tetrahedron Lett. 1976, 37, 3325-3326.
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(1976)
Tetrahedron Lett.
, vol.37
, pp. 3325-3326
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Fujimoto, Y.1
Tatsuno, T.2
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16
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0344883254
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CambridgeSoft. Com, 100 Cambridge Park Drive, Cambridge, MA 02140
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CambridgeSoft. Com, 100 Cambridge Park Drive, Cambridge, MA 02140.
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17
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0344020150
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Gaussian, Inc., Carnegie Office Park, Building 6, Suite 230, Carnegie, PA 15106
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Gaussian, Inc., Carnegie Office Park, Building 6, Suite 230, Carnegie, PA 15106.
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18
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0345314346
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Accelrys Inc., 9685 Scranton Road, San Diego, CA 92121
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Accelrys Inc., 9685 Scranton Road, San Diego, CA 92121.
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