Cyclopeptides and Amides from  Pseudostellaria heterophylla  (Caryophyllaceae) | Zendy

Yang Yabin | Zendy; Tan Ninghua | Zendy; Zhang Fei | Zendy; Lu Yaqing | Zendy; He Min | Zendy; Zhou Jun | Zendy

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Cyclopeptides and Amides from Pseudostellaria heterophylla (Caryophyllaceae)

Author(s) -

Yang Yabin,

Tan Ninghua,

Zhang Fei,

Lu Yaqing,

He Min,

Zhou Jun

Publication year - 2003

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.200390280

Subject(s) - chemistry , caryophyllaceae , stereochemistry , pyroglutamic acid , amino acid , biochemistry , botany , biology

From the roots of Pseudostellaria heterophylla , three cyclopeptides and three amides were isolated, besides heterophyllin A and B. Their structures were determined as cyclo (Ala‐Gly‐Pro‐Val‐Tyr‐) (heterophyllin J; 1 ), cyclo (Ala‐Gly‐Pro‐Tyr‐Leu‐) (pseudostellarin A; 2 ), cyclo (Gly‐Gly‐Gly‐Pro‐Pro‐Phe‐Gly‐Ile‐) (pseudostellarin B; 3 ), methyl γ ‐hydroxypyroglutamate ( 4 ), methyl pyroglutamate ( 5 ), and pyroglutamic acid ( 6 ) on the basis of spectral data, especially 2D‐NMR data. Among them, compounds 1 and 4 are new compounds.

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