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Volumn 70, Issue 18, 2005, Pages 7114-7122

Fluorous affinity purification of oligonucleotides

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIA; EXTRACTION; PH EFFECTS; PHOSPHORS; PURIFICATION; SYNTHESIS (CHEMICAL);

EID: 24144481473     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo050795y     Document Type: Article
Times cited : (71)

References (64)
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    • Andrus, A.; Kuimelis, R. G. In Current Protocols in Nucleic Acid Chemistry; Beaucage, S. L., Bergstrom, D. E., Glick, G. D., Jones, R. A., Eds.; John Wiley & Sons: New York, 2000; pp 10.5.1-10.5.12.
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    • Most of these studies involve RP-HPLC, rarely in a preparatively oriented fashion. Ramage's work (ref 8o) involves both HPLC and SPE studies, (a) Görtz, H.-H.; Seliger, H. Angew. Chem., Int. Ed. Engl. 1981, 20, 681-683.
    • (1981) Angew. Chem., Int. Ed. Engl. , vol.20 , pp. 681-683
    • Görtz, H.-H.1    Seliger, H.2
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    • Symons, R. H., Ed.; CRC Press: Boca Raton, FL
    • For alternative affinity-based methods for oligonucleotide purification, see: (a) McInnes, J. L.; Symons, R. H. In Nucleic Acid Probes; Symons, R. H., Ed.; CRC Press: Boca Raton, FL, 1989; pp 33-80.
    • (1989) Nucleic Acid Probes , pp. 33-80
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    • (i) Fang, S.; Bergstrom, D. E. In Current Protocols in Nucleic Acid Chemistry; Beaucage, S. L., Bergstrom, D. E., Glick, G. D., Jones, R. A., Eds.; John Wiley & Sons: New York, 2003; pp 4.20.1-4.20.17.
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    • Gladysz, J. A., Curran, D. P., Horváth, I. T., Eds.; Wiley-VCH: Weinheim
    • (b) Curran, D. P. In Handbook of Fluorous Chemistry; Gladysz, J. A., Curran, D. P., Horváth, I. T., Eds.; Wiley-VCH: Weinheim, 2004; pp 101-127.
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    • and prior work cited therein
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    • Mizuno, M.1    Goto, K.2    Miura, T.3
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    • note
    • (a) Compound 3: alkylation of 4-hydroxybenzophenone with (perfluorooctyl)ethyl iodide was sluggish,
  • 56
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    • note
    • (b) Compound 4: (i) 4-hydroxybenzophenone, NaH, 3-(perfluorooctyl)propyl iodide (43%); (ii) p-methoxyphenylmagnesium bromide; (iii) AcCl (55%, two steps).
  • 59
    • 33645594252 scopus 로고    scopus 로고
    • note
    • A FluoroFlash 4.6 × 150 mm HPLC column was used. For SPE, both 5 μm (90 Å) and 40 μm (60 Å) FluoroFlash silica gel were examined. FluoroFlash is a registered trademark of Fluorous Technologies, Inc.
  • 60
    • 33645602714 scopus 로고    scopus 로고
    • note
    • 18 silica; hence, we often use RP-HPLC to analyze fluorous-tagged compounds. It is known that fluorous tags are nonpolar and can be useful in separations using RP adsorbents. However, for maximum selectivity and generality, separations based on the retention of fluorous materials on fluorous adsorbents is the best choice. See ref 15b.
  • 61
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    • note
    • Fluoro-Pak is a trademark of Berry & Associates, Inc.
  • 62
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    • note
    • The results reported herein involved 100 mg of adsorbent for the purification of both 200 nmol and 1 mmol synthesis products, but we have recently found that 75 mg and 150 mg Fluoro-Pak columns are best matched for these two synthesis sizes.
  • 63
    • 33645596102 scopus 로고    scopus 로고
    • Varian Analytical Instruments: Palo Alto, CA
    • Diluting the ammonia solution with 5% aqueous DMF containing 100 mg/mL NaCl was found to enhance the rate of binding of the fluorous-tagged oligonucleotides to the Fluoro-Pak adsorbent. While the thermodynamics of binding are favorable, the kinetics of binding are slow without this modification. Salt solutions are known to improve binding to RP cartridges. See, for example: (a) User Guide: Trityl-on Oligonucleotide Purification; Varian Analytical Instruments: Palo Alto, CA.
    • User Guide: Trityl-on Oligonucleotide Purification
  • 64
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    • US Patent 5,770,723, June 23, 1998
    • (b) Reddy, M. P.; Farooqui, F., US Patent 5,770,723, June 23, 1998.
    • Reddy, M.P.1    Farooqui, F.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.