A Pair of Novel Heptentriol Stereoisomers from the Ascomycete  Daldinia concentrica | Zendy

Wang Fei | Zendy; Liu JiKai | Zendy

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A Pair of Novel Heptentriol Stereoisomers from the Ascomycete Daldinia concentrica

Author(s) -

Wang Fei,

Liu JiKai

Publication year - 2004

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.200490193

Subject(s) - chemistry , stereochemistry , proline , amino acid , biochemistry

A pair of novel heptentriol stereoisomers, hept‐6‐ene‐2,4,5‐triols 2 and 3 , were isolated from the culture broth of the ascomycete Daldinia concentrica ( Bolton : Fries ) Cesati & De Notaris , besides three known compounds, i.e. , 2,3‐dihydro‐5‐hydroxy‐2‐methyl‐4 H ‐1‐benzopyran‐4‐one ( 1 ), 3,5‐dihydroxy‐2‐(1‐oxobutyl)‐cyclohex‐2‐en‐1‐one ( 4 ), and pyroglutamic acid (=5‐oxo‐ L ‐proline; 5 ). Their structures were determined by spectroscopic means, including 2D‐NMR (HMQC, HMBC, 1 H, 1 H‐COSY).

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