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Microbial transformations of halolactones with p-menthane system

Paper ID Volume ID Publish Year Pages File Format Full-Text
20309 43168 2015 5 PDF Available
Title
Microbial transformations of halolactones with p-menthane system
Abstract

Biologically active piperitone-derived racemic iodo-, bromo- and chlorolactones (1–3) were transformed with the use of microbial enzymatic systems. Four strains of filamentous fungi Absidia glauca AM254, Absidia cylindrospora AM336, Mortierella vinaceae AM149 and Nigrospora oryzae AM8 transformed halolactones (1–3) to four new halohydroxylactones (4–7). In all biotransformations the hydroxy group was incorporated in inactivated methine carbon atom at isopropyl substituent. In N. oryzae AM8 culture the bromolactone with additional hydroxy group in α-position, relative to CO bond in γ-lactone ring, was also formed as a product. The structures of new compounds were established on the basis of spectral data.

Keywords
Microbial hydroxylation; Halolactones; Fungal transformation; Piperytone derivatives; Terpenoid lactones
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Microbial transformations of halolactones with p-menthane system
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 119, Issue 1, January 2015, Pages 72–76
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Don't Miss Today's Special Offer
Price was $35.95
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