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Volumn 75, Issue 5, 2010, Pages 1612-1619

Enantioselective synthesis of a-quaternary amino acid derivatives by sequential enzymatic desymmetrization and curtius rearrangement of α,α-disubstituted malonate diesters

Author keywords

[No Author keywords available]

Indexed keywords

ABSOLUTE CONFIGURATION; AMINO ACID DERIVATIVES; AMINO ESTERS; ARYLATIONS; BENZYL ALCOHOL; CHIRAL AMINES; DESYM-METRIZATION; DIESTERS; DIMETHYL MALONATE; ENANTIOMERIC EXCESS; ENANTIOSELECTIVE SYNTHESIS; ENZYMATIC DESYMMETRIZATIONS; HIGH YIELD; MALONATES; PORCINE LIVER ESTERASE; QUATEMARY; SPECIFIC ROTATIONS;

EID: 77949310221     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo902584r     Document Type: Article
Times cited : (45)

References (60)
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    • It can be argued that in addition to the 20 classical natural amino acids, several other less common ones such as selenocysteine are also proteinogenic
    • It can be argued that in addition to the 20 classical natural amino acids, several other less common ones such as selenocysteine are also proteinogenic.
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    • For reviews, see: (a) Dom?́nguez de Maria, P.; Garc?́a- Burgos, C. A.; Bargeman, G.; van Gemert, R. W. Synthesis 2007, 1439-1452.
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  • 20
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    • Drauz, K, Waldmann, H, Eds, Wiley-VCH: Weinheim, Germany, Chapter 11
    • c) Gais, H. J.: Theil, F. In Enzyme Catalysis in Organic Synthesis; Drauz, K., Waldmann, H., Eds.; Wiley-VCH: Weinheim, Germany, 2002; Vol. 2, Chapter 11.
    • (2002) Enzyme Catalysis in Organic Synthesis , vol.2
    • Gais, H.J.1    Theil, F.2
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    • For examples of PPL-mediated desymmetrizations of prochiral diesters, see: (a) Nakazawa, K, Hayashi, M, Tanaka, M, Aso, M, Suemune, H. Tetrahedron: Asymmetry 2001, 12, 897-901
    • For examples of PPL-mediated desymmetrizations of prochiral diesters, see: (a) Nakazawa, K.; Hayashi, M.; Tanaka, M.; Aso, M.; Suemune, H. Tetrahedron: Asymmetry 2001, 12, 897-901.
  • 40
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    • For another particularly mild method for converting carboxylic acids, including racemic malonate half-esters, into t-Boc-protected amines, see: a
    • For another particularly mild method for converting carboxylic acids, including racemic malonate half-esters, into t-Boc-protected amines, see: (a) Lebel, H.; Leogane, O. Org. Lett, 2005, 7, 4107-4110.
    • (2005) Org. Lett , vol.7 , pp. 4107-4110
    • Lebel, H.1    Leogane, O.2
  • 41
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    • For other recent methods for effecting Curtius rearrangements, see references cited therein
    • b) Leogane, O.; Lebel, H. Synthesis 2009, 1935-1940. For other recent methods for effecting Curtius rearrangements, see references cited therein.
    • (2009) Synthesis , pp. 1935-1940
    • Leogane, O.1    Lebel, H.2
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    • For a general review, see: (a) Banthorpe, D. V. In The Chemistry of the Azido Group; Patai, S., Ed.; Wiley: New York, 1971; Chapter 7. For examples of stereochemical studies of the Curtius rearrangement, see:
    • For a general review, see: (a) Banthorpe, D. V. In The Chemistry of the Azido Group; Patai, S., Ed.; Wiley: New York, 1971; Chapter 7. For examples of stereochemical studies of the Curtius rearrangement, see:
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    • Note that replacement of the carboxyl group in half-esters 5 by a free or protected amino group with retention of configuration changes the absolute configuration, from. R to S because the amino group has a higher priority than the carboxyl group as assigned by the Cahn - Ingold - Prelog rules.
    • Note that replacement of the carboxyl group in half-esters 5 by a free or protected amino group with retention of configuration changes the absolute configuration, from. R to S because the amino group has a higher priority than the carboxyl group as assigned by the Cahn - Ingold - Prelog rules.
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    • PLE consists of several isozymes, which display different enantioselectivities. While individual, isozymes have been obtained by cloning and recombinant expression methods, and may offer advantages over the commercial product, the accessibility and convenience of the latter make it desirable for synthetic applications such as those reported herein
    • PLE consists of several isozymes, which display different enantioselectivities. While individual, isozymes have been obtained by cloning and recombinant expression methods, and may offer advantages over the commercial product, the accessibility and convenience of the latter make it desirable for synthetic applications such as those reported herein.
  • 58
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.