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Volumn 27, Issue 12, 2008, Pages 1250-1256

Simultaneous removal of benzyl and benzyloxycarbonyl protective groups in 5′-O-(2-deoxy-α-D-glucopyranosyl)uridine by catalytic transfer hydrogenolysis

Author keywords

2 deoxy D glucopyranose; Benzyl; Benzyloxycarbonyl protective groups; Hydrogenolysis; Uridine

Indexed keywords

5' O (2 DEOXY ALPHA DEXTRO GLUCOPYRANOSYL)URIDINE; BENZYL DERIVATIVE; CARBONYL DERIVATIVE; N3,2',3' O TRIS(BENZYLOXYCARBONYL)URIDINE; UNCLASSIFIED DRUG; URIDINE DERIVATIVE;

EID: 55949090317     PISSN: 15257770     EISSN: 15322335     Source Type: Journal    
DOI: 10.1080/15257770802458303     Document Type: Article
Times cited : (9)

References (13)
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  • 2
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    • Direct preparation of 2-deoxy-D-glucopyranosides from glycals without Ferrier rearrangement
    • Bolitt, V.; Mioskowski, Ch.; Lee, S.-G.; Falck, J.R. Direct preparation of 2-deoxy-D-glucopyranosides from glycals without Ferrier rearrangement. J. Org. Chem. 1990, 55, 5812-5813.
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    • Bolitt, V.1    Mioskowski, C.2    Lee, S.-G.3    Falck, J.R.4
  • 3
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    • New methods for the synthesis of N-benzoylated uridine and thymidine derivatives; a convenient method for N-debenzoylation
    • Maguire, A.R.; Hladezuk, I.; Ford, A. New methods for the synthesis of N-benzoylated uridine and thymidine derivatives; a convenient method for N-debenzoylation. Carbohydr. Res. 2002, 337, 369-372.
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    • Maguire, A.R.1    Hladezuk, I.2    Ford, A.3
  • 4
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    • Facile Deprotection of O-Cbz-Protected Nucleosides by Hydrogenolysis: An Alternative to O-Benzyl Ether-Protected Nucleosides
    • Johnson II, D.C.; Widlanski, T.S. Facile Deprotection of O-Cbz-Protected Nucleosides by Hydrogenolysis: An Alternative to O-Benzyl Ether-Protected Nucleosides. Org. Lett. 2004, 4643-4646.
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  • 8
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    • Regioselective hydrogenolysis of benzyl glycosides
    • Bieg, T.; Szeja, W. Regioselective hydrogenolysis of benzyl glycosides. Carbohydr. Res. 1990, 205, c10-c11.
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  • 10
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    • Procedure for the carbamoylation of uridine (Scheme 3, Trityl chloride (1.37 g, 4.91 mmol) was added to a solution of uridine (1.00 g, 4.09 mmol) in pyridine (5 mL) and reaction mixture was kept at room temperature. After 4 days, the reaction mixture was diluted with CH2Cl2 (300 mL, washed with water (2 x 100 mL, the organic layer was separated, dried (MgSO4, concentrated in vacuo and co-evaporated with toluene (3 x 100 mL, Crude 5′-O-trityluridine (13) was dissolved in CH2Cl2 (15 mL, DIPEA (4.05 ml, 24.54 mmol) was added and solution was cooled to 10°C. A CbzCl (3.50 mL, 24.54 mmol) was added dropwise and the mixture was refluxed for 0.5 hour. The mixture was diluted with CH2Cl2 (100 m, and washed with 1 M HCl and then water. The organic phase was dried (MgSO4) and concentrated. The residue was dissolved in acetonitrile (10 mL) and 48% HBF4 0.65 mL, 4.09 m
    • [4]
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    • Rapid Removal of Protecting Groups from Peptides by Catalytic Transfer Hydrogenation with 1,4-Cyclohexadiene
    • Felix, A.M.; Heimer, E.P.; Lambros, T.J.; Tzougraki, C.; Meienhofer, J. Rapid Removal of Protecting Groups from Peptides by Catalytic Transfer Hydrogenation with 1,4-Cyclohexadiene. J. Org. Chem. 1978, 43, 4194-4196.
    • (1978) J. Org. Chem , vol.43 , pp. 4194-4196
    • Felix, A.M.1    Heimer, E.P.2    Lambros, T.J.3    Tzougraki, C.4    Meienhofer, J.5
  • 12
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    • [1]
    • [1]
  • 13
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    • Analytical data for new compounds: 5′-O-(2-deoxy-a-D- glucopyranosyl)uridine, 3: solid; [α]D 20+36.0 (MeOH, c 1.0, 1H NMR (300 MHz, CD3OD, δ 1.70 (ddd, 1H, J 3.5, 11.8, 13.2 Hz, H-2″ax, 2.09 (ddd, 1H, J 1.1, 5.0, 13.2 Hz, H-2″eq, 3.26 (t, 1H, J 9.0 Hz, H-4″, 3.53 (ddd, 1H, J 2.3, 5.6, 9.0 Hz, H-5′, 3.67-3.74 (m, 2H, H-6″a,b, 3.79 (ddd, J 5.0, 9.0, 11.8 Hz, H-3″, 3.83 (dd, 1H, J 2.3, 11.5 Hz, H-5′a, 3.94 (dd, 1H, J 2.6, 11.5 Hz, H-5′b, 4.12-4.19 (m, 3H, H-2′, 3′, 4′, 4.99 (br d, 1H, J 3.2 Hz, H-1″, 5.80 (d, J 8.2 Hz, H-5, 5.88 (d, 1H, J 4.1 Hz, H-1′, 7.98 (d, 1H, J 8.2 Hz, H-6, 13C NMR: δ 38.86 (C-2″, 62.87, 67.11, 69.99, 71.32, 73.21, 74.53, 76.12, 84.46 C-2′, C-3′, C-4′, C-5′, C-3″, C-4″
    • +): m/z 669.1691, found: m/z 669.1687.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.