LT - PROCESS FOR THE SYNTHESIS OF 4,5,6,7-TETRACHLORO-3`,6`-DIHYDROXY-2`,4`,5`7`-TETRAIODO-3H-SPIRO[ISOBENZOFURAN-1,9`-XANTHEN]-3-ONE (ROSE BENGAL) AND RELATED XANTHENES
EN - PROCESS FOR THE SYNTHESIS OF 4,5,6,7-TETRACHLORO-3`,6`-DIHYDROXY-2`,4`,5`7`-TETRAIODO-3H-SPIRO[ISOBENZOFURAN-1,9`-XANTHEN]-3-ONE (ROSE BENGAL) AND RELATED XANTHENES
Legal status
Patent not validated
Bibliographic data
Indications of the International Patent Classification (IPC)
| (51) |
INT.CL. |
C07D 311/82 |
|
|
|
C07D 493/10 |
|
|
|
A61K 31/35 |
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European patent
| (11) |
Number of the document |
2464225 |
| (13) |
Kind of document |
T |
| (96) |
European patent application number |
10817918.5 |
|
Date of filing the European patent application |
2010-09-17 |
| (97) |
Date of publication of the European application |
2012-06-20 |
| (45) |
Date of publication and mention of the grant of the patent |
2015-09-16
|
| (46) |
Date of publication of the claims translation |
|
PCT application
| (86) |
Number |
PCT/US2010/049341 |
|
Date |
2010-09-17 |
PCT application publication
| (87) |
Number |
WO 2011/035161 |
|
Date |
2011-03-24 |
Priority applications
| (30) |
Number |
Date |
Country code |
|
243701 P |
2009-09-18
|
US |
Inventors
| (72) |
SINGER, Jamie, US
WACHTER, Eric, A., US
SCOTT, Timothy, C., US
LUTZ, Marlon, US
BABIAK, Kevin, US
|
Grantee
| (73) |
Provectus Pharmatech, Inc.,
7327 Oak Ridge Highway, Knoxville, TN 37931,
US
|
Title
| (54) |
PROCESS FOR THE SYNTHESIS OF 4,5,6,7-TETRACHLORO-3`,6`-DIHYDROXY-2`,4`,5`7`-TETRAIODO-3H-SPIRO[ISOBENZOFURAN-1,9`-XANTHEN]-3-ONE (ROSE BENGAL) AND RELATED XANTHENES |
| |
PROCESS FOR THE SYNTHESIS OF 4,5,6,7-TETRACHLORO-3`,6`-DIHYDROXY-2`,4`,5`7`-TETRAIODO-3H-SPIRO[ISOBENZOFURAN-1,9`-XANTHEN]-3-ONE (ROSE BENGAL) AND RELATED XANTHENES |
