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Applied Antisense Oligonucleotide Technology, Stein C. A., Krieg A M., Wiley-Liss New York 1998.
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7
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9
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0345706517
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For reviews on this topic, see
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For reviews on this topic, see: (a) De Mesmaeker, A.; Hner, R.; Martin, P.; Moser, H. E. Acc. Chem. Res. 1995, 28, 366.
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(d) Seth, P. P.; Siwkowski, A.; Allerson, C. R.; Vasquez, G.; Lee, S.; Prakash, T. P.; Wancewicz, E. V.; Witchell, D.; Swayze, E. E. J. Med. Chem. 2009, 52, 10; and cited literature.
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13
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67849099751
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For a very interesting discussion in several aspects of nucleic acids research in the different areas, including antisense oligonucleotides, see Hecht S. M.
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(e) For a very interesting discussion in several aspects of nucleic acids research in the different areas, including antisense oligonucleotides, see: Hecht, S. M. J. Am. Chem. Soc. 2009, 131, 3791.
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15
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0011858057
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For a review on amide substituted oligodeoxynucleotide analogues, see: In ACS Symposium Series 580, ACS Washington DC 1994
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For a review on amide substituted oligodeoxynucleotide analogues, see:, De Mesmaeker A, Waldner A, Lebreton J, Fritsch V, Wolf R M., In Carbohydrate Modifications in Antisense Research, Sanghvi Y S., Cook P D., ACS Symposium Series 580, ACS Washington DC 1994 24-39
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16
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2342476659
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For more work in this field, see: 1997; and cited literature
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For more work in this field, see:, De Mesmaeker A, Lebreton J, Jouanno C, Fritsch V, Wolf R M., Wendeborn S, Synlett 1997 1287; and cited literature
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84949383846
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The BestmannOhira reagent is prepared by treatment of dimethyl(2-oxopropyl)phosphonate with tosylazide in the presence of NaH followed by purification on silica gel chromatography, see
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The Bestmann-Ohira reagent is prepared by treatment of dimethyl(2-oxopropyl)phosphonate with tosylazide in the presence of NaH followed by purification on silica gel chromatography, see:, Callant P, DHaenens L, Vandewalle M, Synth. Commun. 1984 14 155
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(a) Wnuk, S. F.; Yuan, C.-S.; Borchardt, R. T.; Balzarini, J.; De Clercq, E.; Robins, M. J. J. Med. Chem. 1994, 37, 3579.
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29
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0037030638
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Wnuk, S. F.; Ro, B.-O.; Valdez, C. A.; Lewandowska, E.; Valdez, N. X.; Sacasa, P. R.; Yin, D.; Zhang, J.; Borchardt, R. T.; De Clercq, E. J. Med. Chem. 2002, 45, 2651.
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De Clercq, E.10
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30
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33645389725
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(c) Rapp, M.; Haubrich, T. A.; Perrault, J.; Mackey, Z. B.; McKerrow, J. H.; Chiang, P. K.; Wnuk, S. F. J. Med. Chem. 2006, 49, 2096.
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32
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Duchêne, A.4
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33
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72149117296
-
-
note
-
Selected Physicochemical Data for Compound 7 1H NMR (400 MHz, CDCl3): d = 1.99 (s, 9 H, t-Bu), 1.82 1.92 (m, 1 H, H2), 1.89 (s, 3 H, CH3), 2.39 (ddd, 1 H, J = 10.0, 6.5, 3.0 Hz, H2), 4.20 (ddd, 1 H, J = 10.0, 3.0 Hz, H3), 4.24 (m, 1 H, H4), 6.23 (br s, 2 H, H5 and H6), 6.34 (dd, 1 H, J = 6.5 Hz, H1), 6.93 (d, 1 H, J = 1.0 Hz, H6), 7.387.50 (m, 6 H, Har), 7.597.67 (m, 4 H, Har), 9.28 (br s, 1 H, NH) ppm. 13C NMR (100 MHz, CDCl3): d = 12.6 (CH3, CH3), 18.9 (C, t-Bu), 26.8 (CH3, t-Bu), 39.6 (CH, C2), 75.4 (CH, C3), 80.7 (CH, C6), 84.8 (CH, C1), 88.2 (CH, C4), 111.3 (C, C5), 127.9, 128.0 (CH, Car), 130.2 (CH, Car), 132.7 (C, Car), 134.9 (CH, C6), 135.6, 135.8 (CH, Car), 142.1 (CH, C5), 150.2 (C, C=O), 163.6 (C, C=O) ppm. MS (CI/NH3): m/z (C27H31I N2O4Si) = 620 [M + NH4 +], 603 [M + H+].
-
-
-
-
35
-
-
35848946837
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For recent examples, see
-
For recent examples, see: (a) Van Daele, I.; Munier-Lehmann, H.; Froeyen, M.; Balzarini, J.; Van Calenbergh, S. J. Med. Chem. 2007, 50, 5281.
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(2007)
J. Med. Chem.
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Van Daele, I.1
Munier- Lehmann, H.2
Froeyen, M.3
Balzarini, J.4
Van Calenbergh, S.5
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36
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37549016344
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(b) Nuzzi, A.; Massi, A.; Dondoni, A. QSAR Comb. Sci. 2007, 26, 1191.
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(2007)
QSAR Comb. Sci.
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, pp. 1191
-
-
Nuzzi, A.1
Massi, A.2
Dondoni, A.3
-
40
-
-
0024390077
-
-
For initial work on this transformation, see
-
For initial work on this transformation, see:, Chu C K., Doboszewski B, Schmidt W, Ullas G V., Van Roey P, J. Org. Chem. 1989 54 2767
-
J. Org. Chem.
, vol.54
, pp. 2767
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-
Chu, C.K.1
Doboszewski, B.2
Schmidt, W.3
Ullas, G.V.4
Van Roey, P.5
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41
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-
0141888594
-
-
For recent examples, see: See ref. 8
-
For recent examples, see: See ref. 8, Rozners, E.; Katkevica, D.; Bizdena, E.; Strmberg, R. J. Am. Chem. Soc. 2003, 125, 12125
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(2003)
J. Am. Chem. Soc.
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Rozners, E.1
Katkevica, D.2
Bizdena, E.3
Strömberg, R.4
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42
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0037028553
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Li, X.; Zhan, Z.-Y. J.; Knipe, R.; Lynn, D. G. J. Am. Chem. Soc. 2002, 124, 747.
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(2002)
J. Am. Chem. Soc.
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Li, X.1
Zhan -Y Z, J.2
Knipe, R.3
Lynn, D.G.4
-
43
-
-
33846117527
-
-
For an interesting discussion on C-3 radical allylation on thymidine, see
-
For an interesting discussion on C-3 radical allylation on thymidine, see: (d) Horton, D.; Chen, K.; No, Z.; Lee, H. C. Carbohydr. Res. 2007, 342, 259.
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Carbohydr. Res.
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Horton, D.1
Chen, K.2
No, Z.3
Lee, H.C.4
-
44
-
-
72149108048
-
-
note
-
Selected Physicochemical Data for Compound 6 1H NMR (400 MHz, CDCl3): d = 0.700.80 (15 H, 3 CH3 and 3 CH2, CH3 and CH2 n-Bu), 1.02 (s, 9 H, 3 CH3, t-Bu), 1.101.27 (m, 6 H, 3 CH2, n-Bu), 1.38 (m, 6 H, 3 CH2, n-Bu), 2.26 (m, 1 H, H2), 2.40 (m, 1 H, H2), 2.40 (s, 3 H, CH3), 3.14 (m, 1 H, H3), 3.753.86 (m, 2 H, H4 and H5), 4.11 (m, 1 H, H5), 5.76 (dd, 1 H, J = 7.0, 19.0 Hz, H3), 6.15 (d, 1 H, J = 19.0 Hz, H3), 6.16 (dd, 1 H, J = 3.0, 7.0 Hz, H1), 7.22 7.49 (m, 6 H, Har), 7.66 (s, 1 H, H6), 7.627.84 (m, 4 H, Har), 9.50 (s, 1 H, NH) ppm. 13C NMR (100 MHz, CDCl3): d = 9.4 (CH2, n-Bu), 11.9 (CH3, CH3), 13.6 (CH3, n-Bu), 19.4 (C, t- Bu), 27.1 (CH3, t-Bu), 27.4 (CH2, n-Bu), 29.0 (CH2, n-Bu), 39.3 (CH2, C2), 45.0 (CH, C3), 62.5 (CH2, C5), 84.7 (CH, C1), 85.6 (CH, C4), 110.5 (C, C5), 127.8 (CH, Car), 129.8 (CH, Car), 132.5 (CH, C3), 132.8, 133.3 (C, Car), 135.2, 135.4 (CH, Car), 135.6 (CH, C6), 145.5 (CH, C3), 150.5 (C=O), 164.2 (C=O) ppm. ESI-HRMS: m/z [M + H+] calcd for C40H61N2O4SiSn [M(119Sn) + H]+: 780.3433; found:
-
-
-
-
45
-
-
4644245555
-
-
For a general review, see: 2004; and references cited therein
-
For a general review, see:, Espinet P, Echavarren A M., Angew. Chem. Int. Ed. 2004 43 4704; and references cited therein
-
Angew. Chem. Int. Ed.
, vol.43
, pp. 4704
-
-
Espinet, P.1
Echavarren, A.M.2
-
46
-
-
72149110545
-
-
note
-
(s, 1 H, H6A), 7.757.56 (m, 8 H, Har), 8.878.80 (2 br s, 2 H, 2 NH) ppm. 13C NMR (100 MHz, CDCl3): d = 12.1 (CH3, CH3A), 12.3 (CH3, CH3B), 19.0 (C, t-Bu), 19.4 (C, t-Bu), 26.8 (CH3, t-Bu), 27.0 (CH3, t-Bu), 39.4 (CH2, C2A), 40.0 (CH2, C2B), 40.7 (CH, C3A), 62. 8 (CH2, C5A), 76.5 (CH, C4B), 84.8 (CH, C1A), 85.1 (CH, C1B), 85.6 (CH, C3B), 86.8 (CH, C4A), 110.7 (C, C5A or C5B), 111.1 (C, C5A or C5B), 128.0 (CH, CHar), 129.2 (CH, Cd), 130.1 (CH, CHar), 131.5 (CH,Cb and Cc), 132.3 (C, Car), 132.6 (CH, Ca), 133.2 (C, Car), 135.4, 135.5, 135.8, 135.9 (CH, CHar, C6A and C6B), 150.3 (C, C=O), 163.6 (C, C=O) ppm. The letter A refers to the upper moiety of the dimer 8. ESI-HRMS: m/z [M + Na+] calcd for C55H64N4O8Si2Na: 987.4160; found: 987.4162.
-
-
-
-
47
-
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0038345088
-
-
For an example of a nucleoside linked with a butadiynyl chain C-4/C-3, see: 2003
-
For an example of a nucleoside linked with a butadiynyl chain C-4/C-3, see:, Jung F, Burger A, Biellmann [nl]J.-F, Org. Lett. 2003 5 383
-
Org. Lett.
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, pp. 383
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Jung, F.1
Burger, A.2
Biellmann, J.-F.3
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48
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84985580906
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Hofmeister H, Annen K, Laurent H, Wiechert R, Angew. Chem., Int. Ed. Engl. 1984 23 727
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(1984)
Angew. Chem., Int. Ed. Engl.
, vol.23
, pp. 727
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Hofmeister, H.1
Annen, K.2
Laurent, H.3
Wiechert, R.4
-
49
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0028140278
-
-
To confirm the structure, this diyne was hydrogenated in MeOH in the presence of Pd/C to afford the corresponding known dimer with an alkane linkage (see ref. 11a).
-
Elbaum D, Nguyen T B., Jorgensen W L., Schreiber [nl]S L., Tetrahedron 1994 50 1503
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(1994)
Tetrahedron
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-
Elbaum, D.1
Nguyen, T.B.2
Jorgensen, W.L.3
Schreiber, L.4
-
50
-
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72149088933
-
-
note
-
Selected Physicochemical Data for Compound 20 1H NMR (400 MHz, CDCl3): d = 1.10 (s, 9 H, t-Bu), 1.11 (s, 9 H, t-Bu), 1.62 (s, 3 H, CH3A), 1.84 (s, 3 H, CH3B), 1.87 2.08 (ddd, 1 H, J = 5.0, 9.0, 14.0 Hz, H2B), 2.322.66 (m, 3 H, H2A and H2B), 3.42 (ddd, 1 H, J = 8.0, 8.0, 8.0 Hz, H3A), 3.83 (dd, part A of an AB system, 1 H, J = 2.0, 12.0 Hz, H5A), 4.00 (ddd, 1 H, J = 2.0, 7.0, 12.0 Hz, H4A), 4.08 (dd, part B of an AB system, 1 H, J = 2.0, 12.0 Hz, H5A), 4.53 (d, 1 H, J = 4.0 Hz, H3B), 4.67 (s, 1 H, H4B), 6.20 (dd, 1 H, J = 13.0, 6.0 Hz, H1A), 6.57 (dd, 1 H, J = 6.0, 8.0 Hz, H1B), 7.347.51 (m, 14 H, Har, H6A and H6B), 7.627.68 (m, 8 H, Har), 9.16 (br s, 1 H, NH), 9.30 (br s, 1 H, NH) ppm. 13C NMR (100 MHz, CDCl3): d = 12.1 (CH3, CH3A), 12.7 (CH3, CH3B, 19.0 (C, t-Bu), 19.4 (C, t-Bu), 26.8 (CH3, t-Bu), 26.9(CH3, t-Bu), 29.6 (CH, C3A), 38.9 (CH2, C2A), 40.5 (CH2, C2B), 62.5 (CH2, C5A), 66.4, 72.9, 73.5, 80.0 (C, Ca, Cb, Cc and Cd), 71.9 (CH, C4B), 73.2 (CH, C3B), 84.6 (CH, C1A), 84.9 (CH, C4A), 86.7 (CH, C1B), 111.3 (C5A and C5B), 127.9, 128.0 (CH, CHar), 130.1 (CH, C6A or C6B), 130.2 (CH, C6A or C6B), 132.5, 132.6 (C, Car,), 134.9 (CH, CHar), 135.3, 135.5, 135.6 (CH, CHar), 150.4 (C, C=O), 163.7 (C, C=O) ppm. The letter A refers to the upper moiety of the dimer 20. ESIHRMS: m/z [M + Na+] calcd for C55H60N4O8Si2Na: 983.3847; found: 983.3837.
-
-
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51
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84987453882
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Boland W, Schoer N, Sieler C, Feigel N, Helv. Chim. Acta 1987 70 1025
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Helv. Chim. Acta
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Boland, W.1
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Feigel, N.4
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52
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0030037765
-
-
For an example of stereoselective reduction of polyacetylenic compounds using this protocol, see: 1996; and references cited therein
-
For an example of stereoselective reduction of polyacetylenic compounds using this protocol, see:, Solladié G, Adamy M, Colobert F, J. Org. Chem. 1996 61 4369; and references cited therein
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J. Org. Chem.
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Solladié, G.1
Adamy, M.2
Colobert, F.3
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