C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/129, 402/362
C12P 17/02 (2006.01) C07C 39/18 (2006.01) C07C 49/825 (2006.01) C07D 317/20 (2006.01) C12P 7/02 (2006.01)
Patent
CA 2010773
44206 CAN 7A Abstract of the Disclosure Meta-hydroxyphenylacetylenes are produced from phenyl-substituted ketal or acetal precursors. Using biotransformation processes, these precursors serve as substrates that are converted to cis-dihydrodiol intermediates. The cis- dihydrodiols can be converted chemically to the corresponding meta-substituted compounds, e.g., meta-substituted phenols, and then to m-hydroxyphenylacetylene, which is an intermediate needed to produce acetylene-terminated resins. The biotransformation step employs arene-2,3-dioxygenase in intra- or extra- cellular form.
Mader Roger A.
Tautvydas Kestutis J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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