Title:
PREPARATION OF 2-(2-ALKOXY PHENOXY) ETHYLAMINE, AN INTERMEDIATE OF CARVEDILOL AND TAMSULOSIN
Document Type and Number:
WIPO Patent Application WO/2009/128088
Kind Code:
A3
Abstract:
The present patent application relates to a process for the preparation of 2-(2-Alkoxy phenoxy) ethylamine or a salt thereof, which is a useful intermediate in the preparation of several active pharmaceutical ingredients including Carvedilol and Tamsulosin. It also provides 2-(2-methoxy phenoxy) ethylamine in solid form.
Inventors:
GIRIDHAR THOTA (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
Application Number:
PCT/IN2008/000725
Publication Date:
December 23, 2010
Filing Date:
November 03, 2008
Export Citation:
Assignee:
SHODHANA LAB LTD (IN)
GIRIDHAR THOTA (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
GIRIDHAR THOTA (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
International Classes:
C07C209/62; C07C311/16; C07D209/88
Domestic Patent References:
| WO1999051576A1 | 1999-10-14 |
Foreign References:
| US20010056211A1 | 2001-12-27 |
Other References:
A.M. LIU ET AL, SYNTHESIS OF 2-(2-METHOXYPHENOXY)ETHYLAMINE, pages 794 - 796
N.I. PEIZHOU ET AL, SYNTHESIS OF 2-(2-METHOXYPHENOXY)ETHYLAMINE, pages 321
CHEN, WEIMIN ET AL: "Synthesis of 2-(2- methoxyphenoxy)ethylamine by phase transfer catalysis and microwave radiation", HUAXUE SHIJIE, vol. 39, no. 2, 1998, pages 86 - 87
N.I. PEIZHOU ET AL, SYNTHESIS OF 2-(2-METHOXYPHENOXY)ETHYLAMINE, pages 321
CHEN, WEIMIN ET AL: "Synthesis of 2-(2- methoxyphenoxy)ethylamine by phase transfer catalysis and microwave radiation", HUAXUE SHIJIE, vol. 39, no. 2, 1998, pages 86 - 87
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