✦ LIBER ✦

Studies Related to Biological Detoxification of Kraft Pulp Mill Effluent. IV.The Biodegradation of 14-Chlorodehydroabietic 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: 1982
Tongue: German
Weight: 431 KB
Volume: 65
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19820650503

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✦ Synopsis

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. These biotransformation products were isolated and characterized.

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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