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Studies Related to Biological Detoxification of Kraft Pulp Mill Effluent. VI. The Biodegradation of 12,14-dichlorodehydroabietic acid with mortierella isabellina

✍ Scribed by James P. Kutney; Eugene Dimitriadis; Gary M. Hewitt; Philip J. Salisbury; Mahatam Singh; James A. Servizi; Dennis W. Martens; Robert W. Gordon

Publisher: John Wiley and Sons
Year: 1983
Tongue: German
Weight: 452 KB
Volume: 66
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19830660326

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✦ Synopsis

Abstract

A detailed study of the biodegradation of one of the fish toxic chlorinated resin acids, 12,14‐dichlorodehydroabietic acidThe correct IUPAC‐name is 12,14‐dichloro‐8,9,11,12‐tetradehydro‐7,8‐dihydroabietic acid.

(3) is presented. When exposed to the fungus Mortierella isabellina, 3 is converted into a number of hydroxylated and keto derivatives which show low levels of toxicity to fish. These metabolites were isolated and characterized.

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## Abstract One of the fish‐toxic chlorinated resin acids, 14‐chlorodehydroabietic acid (**5**), found in kraft mill effluent is examined. When exposed to the fungus __Mortierella isabellina__, **5** is converted into a number of hydroxylated derivatives which show low levels of toxicity to fish. T

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## Abstract A detailed study of the biodegradation of one of the fish‐toxic chlorinated resin acids, 12‐chlorodehydroabietic acid **(3)**, is discussed. When **3** is exposed to the fungus __Mortierella isabellina__, it is converted into the monohydroxylated metabolites 2α‐hydroxy‐12‐chlorodehydroa

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## Abstract An improved synthesis of the isomeric 12‐ and 14‐chlorodehydroabietic acids (**3** and **2**, respectively) and 12,14‐dichlorodehydroabietic acid (**4**) is described. The monochioro isomers were conveniently separated as the imidazole derivatives, and conversion of the latter to the fr