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Volumn 17, Issue 8, 2006, Pages 1264-1274

Redesigning the mechanism of the lipase-catalysed aminolysis of esters

Author keywords

[No Author keywords available]

Indexed keywords

AMINE; AMPHOLYTE; CARBONYL DERIVATIVE; ESTER DERIVATIVE; LIPASE B; SERINE; TRIACYLGLYCEROL LIPASE;

EID: 33646828010     PISSN: 09574166     EISSN: 1362511X     Source Type: Journal    
DOI: 10.1016/j.tetasy.2006.04.021     Document Type: Article
Times cited : (16)

References (70)
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    • Thus, trans-2-phenylcyclopentanamine 1, 'cypenamine' and trans-2-phenylcyclopropanamine 5, 'tranylcypromine' are well-known antidepressants:
    • Thus, trans-2-phenylcyclopentanamine 1, 'cypenamine' and trans-2-phenylcyclopropanamine 5, 'tranylcypromine' are well-known antidepressants:. McGrath W.R., and Kuhn W.L. Arch. Int. Pharmacodyn. Ther. 172 (1968) 405-413
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    • McGrath, W.R.1    Kuhn, W.L.2
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    • In addition, cis and trans-isomers of 2-phenylcyclopentanamine and 2-phenylcyclohexanamine 1-4 are building blocks of semi-cyclic amidines with potent hypoglycaemic activity:
    • In addition, cis and trans-isomers of 2-phenylcyclopentanamine and 2-phenylcyclohexanamine 1-4 are building blocks of semi-cyclic amidines with potent hypoglycaemic activity:. Hartmann S., Ullrich S., Hupfer C., and Frahm A.W. Eur. J. Med. Chem. 35 (2000) 377-392
    • (2000) Eur. J. Med. Chem. , vol.35 , pp. 377-392
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    • They have also been used as starting materials in the synthesis of sulfonamides potentiators of AMPA receptors, the activity being dependent on the stereochemistry of the stereogenic centres:
    • They have also been used as starting materials in the synthesis of sulfonamides potentiators of AMPA receptors, the activity being dependent on the stereochemistry of the stereogenic centres:. Shepherd T.A., Aikins J.A., Bleakman D., Cantrell B.E., Rearick J.P., Simon R.L., Smith E.C.R., Stephenson G.A., and Zimmerman D.M. J. Med. Chem. 45 (2002) 2101-2111
    • (2002) J. Med. Chem. , vol.45 , pp. 2101-2111
    • Shepherd, T.A.1    Aikins, J.A.2    Bleakman, D.3    Cantrell, B.E.4    Rearick, J.P.5    Simon, R.L.6    Smith, E.C.R.7    Stephenson, G.A.8    Zimmerman, D.M.9
  • 36
    • 4744340550 scopus 로고    scopus 로고
    • Similar rates of reaction were observed in the lipase-catalysed transesterification of some cis-2-substituted cyclohexanols but, in contrast with the aminolysis reaction, processes catalysed by CAL-B showed very high enantioselectivities in some cases. For instance, see:
    • Similar rates of reaction were observed in the lipase-catalysed transesterification of some cis-2-substituted cyclohexanols but, in contrast with the aminolysis reaction, processes catalysed by CAL-B showed very high enantioselectivities in some cases. For instance, see:. Levy L.M., Lavandera I., and Gotor V. Org. Biomol. Chem. 2 (2004) 2572-2577
    • (2004) Org. Biomol. Chem. , vol.2 , pp. 2572-2577
    • Levy, L.M.1    Lavandera, I.2    Gotor, V.3
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  • 54
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    • note
    • To identify the hydrogen bonds, a donor atom to acceptor atom distance of less than 3.20 Å and a donor atom-hydrogen-acceptor atom angle >120° are required.
  • 56
    • 33646824506 scopus 로고    scopus 로고
    • note
    • In a very recent paper, we have already shown that similar zwitterionic species could act as intermediates for lipase-catalysed aminolysis reaction (see Ref. 15).
  • 57
    • 33646828490 scopus 로고    scopus 로고
    • note
    • To differentiate between TI-2 and this new TI, we call this TI as zwitterionic since both charges are located in atoms linked to the same carbon atom.
  • 58
    • 33646838009 scopus 로고    scopus 로고
    • note
    • ε-H of His224 and the N of the amine.
  • 60
    • 1842451397 scopus 로고    scopus 로고
    • A similar trend has been observed with other cyclic compounds:
    • A similar trend has been observed with other cyclic compounds:. Levy L.M., and Gotor V. J. Org. Chem. 69 (2004) 2601-2602
    • (2004) J. Org. Chem. , vol.69 , pp. 2601-2602
    • Levy, L.M.1    Gotor, V.2
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    • 33646854188 scopus 로고    scopus 로고
    • note
    • H,H values (10-12 Hz), which are indicative of trans-diaxial arrangements between H-1 and H-2; H-1 and H-6ax; and H-2 and H-3ax.
  • 67
    • 33646853655 scopus 로고    scopus 로고
    • note
    • Remaining substrates were obtained as mixtures of the free bases and their acetate salts.
  • 68
    • 33646849227 scopus 로고    scopus 로고
    • note
    • To abbreviate, we will call these structures as 'assisted TI-Z'.
  • 69
    • 33646838760 scopus 로고    scopus 로고
    • note
    • Note that although bond g has a distance larger than 3.20 Å, the excellent angle interaction makes possible a weak H-bond.
  • 70
    • 33646849062 scopus 로고    scopus 로고
    • note
    • H-2,H-3ax is indicative of an axial position for H-2.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.