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Volumn 58, Issue 35, 2002, Pages 7081-7091

Divergent reaction pathways in amine additions to β-lactone electrophiles. An application to β-peptide synthesis

Author keywords

Amino acids; Asymmetric catalysis; Lactones; Nucleophilic additions; Peptides

Indexed keywords

ALDEHYDE DERIVATIVE; AMIDE; AMINE; AMINO ACID DERIVATIVE; ANION; AZIDE; BETA AMINO ACID; HALIDE; LACTONE DERIVATIVE; NITROGEN; PEPTIDE DERIVATIVE; SULFONAMIDE;

EID: 0037178970     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(02)00722-6     Document Type: Article
Times cited : (34)

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    • To verify that lactone ring opening was proceeding with rigorous inversion of stereochemistry, the enantiomeric purities of azides 11a-c were determined by chiral HPLC (Chiralcel OD-H column) of the methyl esters derived from 11a and 11b, and the benzyl ester derived from 11c. See Section 6 for full procedural details
    • To verify that lactone ring opening was proceeding with rigorous inversion of stereochemistry, the enantiomeric purities of azides 11a-c were determined by chiral HPLC (Chiralcel OD-H column) of the methyl esters derived from 11a and 11b, and the benzyl ester derived from 11c. See Section 6 for full procedural details.
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    • For the synthesis of β-lactones via lactonization of β-hydroxy carboxylate derivatives, see Ref. 21 and references therein.
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    • The potassium and magnesium halide carbamate salts were unstable toward decomposition during the course of the reaction
    • The potassium and magnesium halide carbamate salts were unstable toward decomposition during the course of the reaction.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.