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Polymorphic Forms Of Dolasetron Base And Processes Of Preparing Dolasetron Base, Its Polymorphic Forms And Salt Thereof.
Abstract: The present disclosure relates to a process for the preparation of endo-hexahydro-8-(3-indolylcarbonyloxy)-2,6-methano-2H-quinolizin-3 (4H)-one or Dolasetron base. It also discloses a process for the preparation of endo-hexahydro-8-(3-indolylcarbonyloxy)-2,6-methano-2H-quinolizin-3 (4H)-one mesylate or Dolasetron mesylate. Further, the present disclosure relates to a process for producing Form I of Dolasetron base, and to the novel crystalline polymorphs, Form II, III, IV, and V of Dolasetron base and industrial processes for producing them.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
23 December 2005
Publication Number
27/2007
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
USV LIMITED
B.S.D. MARG, STATION ROAD,
GOVANDI, MUMBAI-400088.
Inventors
1. TARUR RADHAKRISHNAN VENKATASUBRAMANIAN
A-301, VAISHALI TOWERS,
B.R. ROAD, MULUND (W),
MUMBAI-400080.
2. BHISE NANDU BABAN
402, PEARL BLDG.,
NIRMAL LIFE STYLE,
L.B.S. MARG,
MULUND (WEST)
MUMBAI-400080.
3. SATHE DHANANJAY GOVIND
202/A-1, GOLDEN PARK,
L.B.S. MARG,
PANCHPAKHADI,
THANE-400602.
4. DEORE RAVIRAJ BHATU
B-201, SANKALP APARTMENT,
KOPAR ROAD, KOPARGAON,
DOMBIVALI (WEST),
MUMBAI-421202.
5. SRIVASTAV NEERAJ
FLAT NO.3, A-WING,
A-203, BHOOMIRAJ ABODE,
PLOT NO.14, SEC. NO.15,
SANPADA, NAVI MUMBAI-400705.
6. PATNEKAR SUBODH SHASHIKANT
3, ADITYA SAHA NIWAS,
GOKHALE ROAD,
NAUPADA, THANE (W),
MUMBAI-400602.
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1610-MUM-2005-CORRESPONDENCE(2-9-2008).pdf | 2018-08-09 |
| 1 | 1610-mum-2005-form 3(23-12-2005).pdf | 2005-12-23 |
| 2 | 1610-MUM-2005-CORRESPONDENCE(IPO)-(13-3-2012).pdf | 2018-08-09 |
| 2 | 1610-mum-2005-form 2(title page)-(23-12-2005).pdf | 2005-12-23 |
| 3 | 1610-mum-2005-form 2(provisional)-(23-12-2005).pdf | 2005-12-23 |
| 3 | 1610-mum-2005-correspondence(ipo)-(5-1-2007).pdf | 2018-08-09 |
| 4 | 1610-MUM-2005-FORM 18(2-9-2008).pdf | 2018-08-09 |
| 4 | 1610-mum-2005-form 1(23-12-2005).pdf | 2005-12-23 |
| 5 | 1610-MUM-2005_EXAMREPORT.pdf | 2018-08-09 |
| 5 | 1610-mum-2005-description(provisional)-(23-12-2005).pdf | 2005-12-23 |
| 6 | 1610-MUM-2005-CORRESPONDENCE(26-11-2009).pdf | 2009-11-26 |
| 6 | 1610-mum-2005-claims(23-12-2005).pdf | 2005-12-23 |
| 7 | 1610-MUM-2005-FORM 3(26-11-2009).pdf | 2009-11-26 |
| 7 | 1610-mum-2005-abstract(23-12-2005).pdf | 2005-12-23 |
| 8 | 1610-mum-2005-correspondence 2(13-10-2006).pdf | 2006-10-13 |
| 8 | 1610-mum-2005-abstract(22-12-2006).pdf | 2006-12-22 |
| 9 | 1610-mum-2005-claims(22-12-2006).pdf | 2006-12-22 |
| 9 | 1610-mum-2005-form 5(22-12-2006).pdf | 2006-12-22 |
| 10 | 1610-mum-2005-correspondence 1(22-12-2006).pdf | 2006-12-22 |
| 10 | 1610-mum-2005-form 3(22-12-2006).pdf | 2006-12-22 |
| 11 | 1610-mum-2005-description(complete)-(22-12-2006).pdf | 2006-12-22 |
| 11 | 1610-mum-2005-form 2(title page)-(22-12-2006).pdf | 2006-12-22 |
| 12 | 1610-mum-2005-drawing(22-12-2006).pdf | 2006-12-22 |
| 12 | 1610-mum-2005-form 2(complete)-(22-12-2006).pdf | 2006-12-22 |
| 13 | 1610-mum-2005-form 1(22-12-2006).pdf | 2006-12-22 |
| 14 | 1610-mum-2005-drawing(22-12-2006).pdf | 2006-12-22 |
| 14 | 1610-mum-2005-form 2(complete)-(22-12-2006).pdf | 2006-12-22 |
| 15 | 1610-mum-2005-description(complete)-(22-12-2006).pdf | 2006-12-22 |
| 15 | 1610-mum-2005-form 2(title page)-(22-12-2006).pdf | 2006-12-22 |
| 16 | 1610-mum-2005-correspondence 1(22-12-2006).pdf | 2006-12-22 |
| 16 | 1610-mum-2005-form 3(22-12-2006).pdf | 2006-12-22 |
| 17 | 1610-mum-2005-form 5(22-12-2006).pdf | 2006-12-22 |
| 17 | 1610-mum-2005-claims(22-12-2006).pdf | 2006-12-22 |
| 18 | 1610-mum-2005-abstract(22-12-2006).pdf | 2006-12-22 |
| 18 | 1610-mum-2005-correspondence 2(13-10-2006).pdf | 2006-10-13 |
| 19 | 1610-MUM-2005-FORM 3(26-11-2009).pdf | 2009-11-26 |
| 19 | 1610-mum-2005-abstract(23-12-2005).pdf | 2005-12-23 |
| 20 | 1610-MUM-2005-CORRESPONDENCE(26-11-2009).pdf | 2009-11-26 |
| 20 | 1610-mum-2005-claims(23-12-2005).pdf | 2005-12-23 |
| 21 | 1610-MUM-2005_EXAMREPORT.pdf | 2018-08-09 |
| 21 | 1610-mum-2005-description(provisional)-(23-12-2005).pdf | 2005-12-23 |
| 22 | 1610-MUM-2005-FORM 18(2-9-2008).pdf | 2018-08-09 |
| 22 | 1610-mum-2005-form 1(23-12-2005).pdf | 2005-12-23 |
| 23 | 1610-mum-2005-form 2(provisional)-(23-12-2005).pdf | 2005-12-23 |
| 23 | 1610-mum-2005-correspondence(ipo)-(5-1-2007).pdf | 2018-08-09 |
| 24 | 1610-mum-2005-form 2(title page)-(23-12-2005).pdf | 2005-12-23 |
| 24 | 1610-MUM-2005-CORRESPONDENCE(IPO)-(13-3-2012).pdf | 2018-08-09 |
| 25 | 1610-MUM-2005-CORRESPONDENCE(2-9-2008).pdf | 2018-08-09 |
| 25 | 1610-mum-2005-form 3(23-12-2005).pdf | 2005-12-23 |