Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-10-10
2006-10-10
Lambkin, Deborah C. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S076000, C549S077000
Reexamination Certificate
active
07119211
ABSTRACT:
Disclosed is a process for commercial preparation of 3-(methylamino)-1-(2-thienyl)propan-1-ol (hereinafter abbreviated as “MMAA”) of the formula below:The process is carried out by the diastereomeric salt formation method using optically active mandelic acid or its derivatives, or an optically active tartaric acid derivative as the resolving agent. The product compound, diastereomeric satls, is useful as the intermediate for producing pharmaceuticals, such as duloxetine.
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patent: 6992110 (2006-01-01), Kranzler et al.
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Hatahira Kaoru
Sakai Ken'ichi
Sakurai Rumiko
Yuzawa Atsushi
Lambkin Deborah C.
Posz Law Group , PLC
Varndell, Jr. R. Eugene
Yamakawa Chemical Industry Co., Ltd.
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