Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2006-05-02
2006-05-02
Parsa, J. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
Reexamination Certificate
active
07038091
ABSTRACT:
There is provided a process for producing an acetylene compound useful as an intermediate of pharmaceuticals, from 4-nitrofluorobenzene, in industrially and economically advantageous manner.Concretely, it is a method for producing an acetylene compound of formula (3)characterized by reacting 4-nitrofluorobenzene of formula (1)with an alkoxide of 2-methyl-3-butyn-2-ol of formula (2)at −20 to 10° C.
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Matsumoto Hiroo
Shimizu Takanori
Yamada Osamu
Nissan Chemical Industries Ltd.
Oliff & Berridg,e PLC
Parsa J.
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