7-Hydroxyphthalide: A New Natural Salicylaldehyde Analog from Oulenzia sp. (Astigmata: Winterschmitiidae) | Zendy

Nobuhiro Shimizu | Zendy; Yasumasa KUWAHARA | Zendy

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7-Hydroxyphthalide: A New Natural Salicylaldehyde Analog from Oulenzia sp. (Astigmata: Winterschmitiidae)

Author(s) -

Nobuhiro Shimizu,

Yasumasa KUWAHARA

Publication year - 2001

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.65.990

Subject(s) - salicylaldehyde , isobenzofuran , chemistry , lactone , natural product , stereochemistry , phthalide , organic chemistry , schiff base

A new salicyl lactone was detected from the unidentified Oulenzia sp. and its chemical structure was elucidated as 7-hydroxyphthalide (7-hydroxy-3H-isobenzofuran-1-one), based on its GC/MS and GC/FT-IR data and SiO2 column behavior. The compound was synthesized by NaBH4 reduction of 3-hydroxyphthalic anhydride. The GC/MS and GC/FT-IR spectra of the natural compound were consistent with those of the synthetic product. Although the compound is known as a medical material, this is the first example of its presence in nature.

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