Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Acetic Acid | HCID 176 | — |
| Reactant | Ethyl 3-amino-2-(((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)amino)benzoate | HCID 15654655 | — |
| Reactant | Propyl orthocarbonate | HCID 86586169 | — |
| Product | HCID 15654675 | HCID 15654675 | — |
Reaction Steps
Acetic acid (0.2 g) was added to a solution of ethyl 3-amino-2-[(2'-cyanobiphenyl-4-yl)methyl]aminobenzoate (0.9 g) in propyl orthocarbonate (5 ml). The mixture was stirred at 80° C. for one hour. The reaction mixture was concentrated, and the concentrate was dissolved in ethyl acetate. The solution was washed with an aqueous solution of sodium hydrogen carbonate. The solvent was evaporated to give crystals. Recrystallization from ethyl acetate--benzene afforded colorless crystals (0.72 g, 68%), m.p. 90-92° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06004989 |
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| Source dataset | uspto-grants-1999_12 |
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| ORD ID | ord-891e8477f9354b2ebe5aa4e0f6e68e4a |
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| Source note | uspto-grants-1999_12 |
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