Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2005-05-10
2005-05-10
Richter, Johann (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S442000
Reexamination Certificate
active
06891069
ABSTRACT:
Disclosed herein are methods of synthesizing a 4-substituted-benzene-1,2-carbaldehyde. In one aspect, a method may include reacting a 4-substituted-1,2-bis(dibromomethyl) benzene with sulfuric acid to form a reaction product, introducing a solid sodium bicarbonate into the reaction product, and hydrolyzing the reaction product to form a 4-substituted-benzene-1,2-carbaldehyde, after introducing the bicarbonate.
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Wang Der-Haw
Zhu Peter C.
Blakely , Sokoloff, Taylor & Zafman LLP
Ethicon Inc.
Richter Johann
Witherspoon Sikarl A.
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