Details for Patent: 4,572,912
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Summary for Patent: 4,572,912
| Title: | Thiazolidine derivatives, their preparation and compositions containing them |
| Abstract: | The compounds of formula (I): ##STR1## [in which: R.sup.1 and R.sup.2 are the same or different and each represents hydrogen or C.sub.1 -C.sub.5 alkyl; R.sup.3 represents hydrogen, an acyl group, a (C.sub.1 -C.sub.6 alkoxy)carbonyl group or an aralkyloxycarbonyl group; R.sup.4 and R.sup.5 are the same or different and each represents hydrogen, C.sub.1 -C.sub.5 alkyl or C.sub.1 -C.sub.5 alkoxy, or R.sup.4 and R.sup.5 together represent a C.sub.1 14 C.sub.4 alkylenedioxy group; n is 1, 2 or 3; W represents the --CH.sub.2 --, >CO or >CH--OR.sup.6 group (in which R.sup.6 represents any one of the atoms or groups defined for R.sup.3 and may be the same as or different from R.sup.3); and Y and Z are the same or different and each represents oxygen or imino] and pharmaceutically acceptable salts thereof have various valuable therapeutic effects on the blood system and may be prepared by a process which includes reacting a corresponding halopropionic acid derivative with thiourea. |
| Inventor(s): | Yoshioka; Takao (Hiromachi, JP), Kitazawa; Eiici (Hiromachi, JP), Kurumada; Tomoyuki (Hiromachi, JP), Yamazaki; Mitsuo (Hiromachi, JP), Hasegawa; Kazou (Hiromachi, JP) |
| Assignee: | Sankyo Company Limited (Tokyo, JP) |
| Application Number: | 06/644,996 |
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Patent Claim Types: see list of patent claims | Compound; Use; Composition; |
Drugs Protected by US Patent 4,572,912
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
Foreign Priority and PCT Information for Patent: 4,572,912
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| Japan | 58-158375 | Aug 30, 1983 |
International Family Members for US Patent 4,572,912
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Austria | 33838 | ⤷ Try a Trial | |||
| Australia | 3255984 | ⤷ Try a Trial | |||
| Australia | 570067 | ⤷ Try a Trial | |||
| Canada | 1263395 | ⤷ Try a Trial | |||
| Germany | 3470742 | ⤷ Try a Trial | |||
| Denmark | 164701 | ⤷ Try a Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
