Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ammonia | HCID 222 | — |
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Trifluoromethanesulfonic acid | HCID 62406 | — |
| Reactant | HCID 10848408 | HCID 10848408 | — |
| Product | HCID 10571424 | HCID 10571424 | 70% |
Reaction Steps
2-(3-Azidophenyl)benzothiazole (1 g) was added in small portions (5×0.2 g) to a mixture of trifluoromethanesulphonic acid (4 ml), trifluoroacetic acid (5 ml) and triflucromethylacetic anhydride (1 ml) at 0° C. After evolution of nitrogen ceased, the mixture was stirred at 20° C. for 18 hours, basified with aqueous ammonia and the products extracted into ethyl acetate. The organic layer was washed with water, dried (MgSO4) and evaporated to give a gum which was separated on silica with hexane-ethyl acetate (6:4) as eluent. The product obtained was the title compound (70% yield). (Found: M+ 374. C14H9F3N2O3S2 requires MW 374). An in vitro assay of this compound against MCF-7 (wild type) cells gave an IC50 value of 50 nM which again indicates a useful level of activity.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05874431 |
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| Source dataset | uspto-grants-1999_02 |
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| ORD ID | ord-03ace695328b45f7a0b0b942b2fbbd9a |
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| Source note | uspto-grants-1999_02 |
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