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5
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34548760574
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b) C. Rimington, G. C. S. Roets, D. J. Steyn, Onderstepoort J. Vet. Sci. 1936, 7, 507;
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Onderstepoort J. Vet. Sci
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Rimington, C.1
Roets, G.C.S.2
Steyn, D.J.3
-
6
-
-
34548789885
-
-
no further references to vermimeeric acid appear in electronic reference searches
-
c) no further references to vermimeeric acid appear in electronic reference searches.
-
-
-
-
12
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-
34548777887
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-
Ideal synthesis: P. A. Wender, S. T. Handy, D. L. Wright, Chem. Ind. 1997, 19, 765.
-
Ideal synthesis: P. A. Wender, S. T. Handy, D. L. Wright, Chem. Ind. 1997, 19, 765.
-
-
-
-
14
-
-
0037313008
-
-
Step economy: a P. A. Wender, J. L. Bariza, S. E. Brener, M. O. Clarke, G. G. Gamber, J. C. Horan, T. C. Jessop, C. Kan, K. Pattabiraman, T. J. Williams, Pure Appl. Chem. 2003, 75, 143, and references therein;
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Step economy: a) P. A. Wender, J. L. Bariza, S. E. Brener, M. O. Clarke, G. G. Gamber, J. C. Horan, T. C. Jessop, C. Kan, K. Pattabiraman, T. J. Williams, Pure Appl. Chem. 2003, 75, 143, and references therein;
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15
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14844290896
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b) P. A. Wender, G. G. Gamber, R. D. Hubbard, S. M. Pham, L. Zhang, J. Am. Chem. Soc. 2005, 127, 2836.
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J. Am. Chem. Soc
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Wender, P.A.1
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Zhang, L.5
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16
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0026418434
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Atom economy: a B. M. Trost, Science 1991, 254, 1471;
-
Atom economy: a) B. M. Trost, Science 1991, 254, 1471;
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20
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84890766709
-
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Eds, L. F. Tietze, G. Brasche, K. M. Gericke, Wiley-VCH, Weinheim
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d) Domino Reactions in Organic Synthesis (Eds.: L. F. Tietze, G. Brasche, K. M. Gericke), Wiley-VCH, Weinheim, 2006.
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Domino Reactions in Organic Synthesis
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21
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29044432436
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For a special issue on environmental chemistry, see
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For a special issue on environmental chemistry, see: Chem. Rev. 1995, 95, 3.
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Chem. Rev
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E. Lee, J. W. Lim, C. H. Yoon, Y. Sung, Y. K. Kim, M. Yun, S. Kim, J. Am. Chem. Soc. 1997, 119, 8391.
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Lee, E.1
Lim, J.W.2
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23
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0344496736
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a) Y. Coquerel, A. E. Greene, J.-P. Deprés, Org. Lett. 2003, 5, 4453;
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b) Y. Coquerel, A. Blanc, J.-P. Deprés, A. E. Greene, M.-T. Averbuch-Pouchot, C. Philouze, A. Durif, Acta Crystallogr. Sect. C 2000, 56, 1480.
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Coquerel, Y.1
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Deprés, J.-P.3
Greene, A.E.4
Averbuch-Pouchot, M.-T.5
Philouze, C.6
Durif, A.7
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25
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33845231035
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S. Carret, A. Blanc, Y. Coquerel, M. Berthod, A. E. Greene, J.-P. Deprés, Angew. Chem. 2005, 117, 5260;
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Angew. Chem
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Carret, S.1
Blanc, A.2
Coquerel, Y.3
Berthod, M.4
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Deprés, J.-P.6
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26
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23944514264
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Angew. Chem. Int. Ed. 2005, 44, 5130.
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(2005)
Chem. Int. Ed
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, pp. 5130
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Angew1
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27
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-
34548720710
-
-
Tropylium ion can be obtained easily on a large scale (50-100 g) in 80 % yield from cycloheptatriene (dichloroethane can be used to replace toxic carbon tetrachloride). See: K. Conrow, Org. Synth. Coll., V, Wiley, New York, 1973, p. 1138.
-
Tropylium ion can be obtained easily on a large scale (50-100 g) in 80 % yield from cycloheptatriene (dichloroethane can be used to replace toxic carbon tetrachloride). See: K. Conrow, Org. Synth. Coll., Vol. V, Wiley, New York, 1973, p. 1138.
-
-
-
-
28
-
-
34548805253
-
-
The dichloroketene cycloaddition reaction can be performed more easily by using zinc powder under ultrasonic irradiation instead of activated zinc (Zn-Cu) and POCl3 with stirring. See: J.-P. Deprés in Synthetic Organic Sonochemistry Ed, J.-L. Luche, Plenum, New York, 1998, p. 345
-
3 with stirring. See: J.-P. Deprés in Synthetic Organic Sonochemistry (Ed.: J.-L. Luche), Plenum, New York, 1998, p. 345.
-
-
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31
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33751499786
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and references therein
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R. E. Ireland, P. Wipf, J. D. Armstrong III, J. Org. Chem. 1991, 56, 650, and references therein.
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J. Org. Chem
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Ireland, R.E.1
Wipf, P.2
Armstrong III, J.D.3
-
32
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34548769605
-
-
This conjugate addition reaction is more stereoselective than with the methyl silyl ketene acetal in the presence of TiCl4. The opposite behavior is observed with LiClO4
-
4.
-
-
-
-
33
-
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4544372693
-
-
S. D. Walker, T. E. Barder, J. R. Martinelli, S. L. Buchwald, Angew. Chem. 2004, 116, 1907;
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Angew. Chem
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Walker, S.D.1
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34
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3042654141
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Angew. Chem. Int. Ed. 2004, 43, 1871.
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(2004)
Chem. Int. Ed
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-
Angew1
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35
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34548720120
-
-
3) at room temperature. From the corresponding methyl ester, the yield is lower and a reaction time of three days is necessary.
-
3) at room temperature. From the corresponding methyl ester, the yield is lower and a reaction time of three days is necessary.
-
-
-
-
36
-
-
34548782470
-
-
The C11 epimer can be converted to 6-deoxygeigerin (3) with KOH in ethanol. See Refs. [12a] and [3c].
-
The C11 epimer can be converted to 6-deoxygeigerin (3) with KOH in ethanol. See Refs. [12a] and [3c].
-
-
-
-
38
-
-
0025775643
-
-
4, see: a P. A. Grieco, R. J. Cooke, K. J. Henry, J. M. VanderRoest, Tetrahedron Lett. 1991, 32, 4665;
-
4, see: a) P. A. Grieco, R. J. Cooke, K. J. Henry, J. M. VanderRoest, Tetrahedron Lett. 1991, 32, 4665;
-
-
-
-
40
-
-
34548726566
-
-
The silyl ketene acetal E/Z configurational effect in the 1,6-conjugate addition will be studied in detail in the near future.
-
The silyl ketene acetal E/Z configurational effect in the 1,6-conjugate addition will be studied in detail in the near future.
-
-
-
-
41
-
-
0042431520
-
-
a) L. D'Accolti, C. Fusco, M. R. Rella, R. Curci, Synth. Commun. 2003, 33, 3009;
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Synth. Commun
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D'Accolti, L.1
Fusco, C.2
Rella, M.R.3
Curci, R.4
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42
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84985666791
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b) W. Adam, J. Bialas, L. Hadjiarapoglou, Chem. Ber. 1991, 124, 2377;
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Chem. Ber
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Adam, W.1
Bialas, J.2
Hadjiarapoglou, L.3
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43
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0037459861
-
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3183, and references therein;
-
c) J. R. Williams, D. Chai, J. D. Bloxton, H. Gong, W. R. Solvibile, Tetrahedron 2003, 59, 3183, and references therein;
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(2003)
Tetrahedron
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-
Williams, J.R.1
Chai, D.2
Bloxton, J.D.3
Gong, H.4
Solvibile, W.R.5
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47
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0000893173
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g) L. Troisi, L. Cassidei, L. Lopez, R. Mello, R. Curci, Tetrahedron Lett. 1989, 30, 257.
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Tetrahedron Lett
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Troisi, L.1
Cassidei, L.2
Lopez, L.3
Mello, R.4
Curci, R.5
-
48
-
-
34548752086
-
-
The expected relative stereochemistry of the hydroxyl at C6 (α isomer) was confirmed by X-ray diffraction analysis of 1. Crystallographic data for 1 (C15H20O4, monoclinic, space group P21, a, 18.927(5, b, 7.956(3, c, 20.555(3) Å, β, 113.79(2)°, V, 2832(2)Å3, Z, 4, ρcalcd, 1.24 Mgm -3, 2θmax, 75°, MoKα radiation (λ, 1.54178 Å, T= 293 K, 5808 independent reflections, 2940 reflections used with I > 2.0σ, diffractometer: CAD4-Enraf-Nonius. CCDC-636014 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from the Cambridge Crystallographic Data Centre www.ccdc.cam.ac.uk/data_request/cif
-
Kα radiation (λ = 1.54178 Å), T= 293 K, 5808 independent reflections, 2940 reflections used with I > 2.0σ, diffractometer: CAD4-Enraf-Nonius. CCDC-636014 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from the Cambridge Crystallographic Data Centre (www.ccdc.cam.ac.uk/data_request/cif).
-
-
-
-
49
-
-
34548750699
-
-
When the first two reactions are conducted in one pot, the yield is 44, from 6
-
When the first two reactions are conducted in one pot, the yield is 44 % from 6.
-
-
-
-
50
-
-
0343395618
-
-
a) P. A. Grieco, N. Marinovic, M. Miyashita, J. Org. Chem. 1975, 40, 1670;
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J. Org. Chem
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Grieco, P.A.1
Marinovic, N.2
Miyashita, M.3
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52
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0038620062
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F. Bohlmann, C. Zdero, M. Ahmed, Phytochemistry 1982, 21, 1679.
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(1982)
Phytochemistry
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, pp. 1679
-
-
Bohlmann, F.1
Zdero, C.2
Ahmed, M.3
-
53
-
-
34548788824
-
-
This stereoselective 1,4-conjugate addition is currently under study; preliminary results show that the reaction is possible and introduces the desired β methyl group at C5
-
This stereoselective 1,4-conjugate addition is currently under study; preliminary results show that the reaction is possible and introduces the desired β methyl group at C5.
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-
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