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Volumn 6, Issue 5, 2004, Pages 688-691

Method for the parallel preparation of the aspartic protease isostere: Hydroxyethylamino amides

Author keywords

[No Author keywords available]

Indexed keywords

AMIDE; ASPARTIC PROTEINASE; ASPARTIC PROTEINASE INHIBITOR; BASE; BENZOIC ACID DERIVATIVE; DICHLOROMETHANE; DIMETHYL SULFOXIDE; EPICHLOROHYDRIN; EPOXIDE; LEWIS ACID; LITHIUM DERIVATIVE; OXIDE; RESIN; TRIFLUOROACETIC ACID; YTTERBIUM;

EID: 4944255224     PISSN: 15204766     EISSN: None     Source Type: Journal    
DOI: 10.1021/cc049911l     Document Type: Article
Times cited : (2)

References (44)
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    • For other solid-phase or parallel approaches to hydroxyethylamines, see: (a) Kick, E. K.; Ellman, J. A.; Kuntz, I. D.; Lee, C. E.; Liu, G.; Roe, D. C.; Skillman, A. G. U.S. Patent 6,150,416, 1998. (b) Kick, E. K.; Ellman, J. A. J. Med. Chem. 1995, 38, 1427-30. (c) Baker, C. T.; Salituro, F. G.; Court, J. J.; Deininger, D. D.; Kim, E. E.; Li, B.; Novak, P. M.; Rao, B. G.; Pazhanisamy, S.; Schairer, W. C.; Tung, R. D. Bioorg. Med. Chem. Lett. 1998, 8, 3631-36. (d) Chino, M.; Wakao, M.; Ellman, J. A. Tetrahedron 2002, 58, 6305-10. (e) Tamamura, H.; Kato, T.; Otaka, A.; Fujii, N. Org. Biomol. Chem. 2003, 1, 2468-73.
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    • note
    • Preformed on a Gilson purification system; typical recoveries are 85%
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    • note
    • The relative Lewis acid cleavage stability was calculated as follows: From the total absorption chromatogram, the sum of the area of epoxide 7 and hydroxyethylamino amide 10 was divided by the sum of the area of compounds 7, 8, and 10, then corrected for the initial ratio of 7 to 8 (Table 1 footnote c).
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    • note
    • In the selection of conditions for the identification of an optimal Lewis Acid, we chose a reaction time, which left some starting epoxide 7. This allowed us to obtain a meaningful percent conversion for each set of conditions studied.


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