Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Propylamine | HCID 7852 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | 4-(Phenylamino)benzoic acid | HCID 292331 | — |
| Reactant | 1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochloride | HCID 2723939 | — |
| Catalyst | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 19069300 | HCID 19069300 | 40.1% |
Reaction Steps
To a stirred solution of 1.06 g (5.0 mmol, 1 eq.) of 4-phenylaminobenzoic acid (Portnaya, B. S., Turitsyna, N. F., Bobkova, T. P., and Levkeov, I. I., Zhur. Obshchei. Khim., 30, 2693 (1960)), n-propylamine (0.82 mL, 10.0 mmol, 2 eq.), and 0.061 g (0.5 mmol, 0.1 eq.) of DMAP in THF at 0° C. was added 1.05 g (5.5 mmol, 1.1 eq.) of EDCl. The mixture was stirred overnight while the bath melted. The mixture was poured into 150 mL of ethyl acetate and washed with 50 mL each of water, 1N aqueous HCl, water and saturated aqueous NaHCO3. The ethyl acetate layer was then dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by flash column chromatography (80 g SiO2, 1:1 ethyl acetate-hexanes) to give 0.51 g (40%) of the title compound. 1H NMR (300 MHz, CDCl3) δ10.57 (bs, 2H), 7.21-7.41 (m, 9H), 3.96 (s, 2H), 2.75 (m, 2H), 1.64 (hextet, 2H), 0.92 (t, 3H). MS (DCl) m/e 255 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05783593 |
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| Source dataset | uspto-grants-1998_07 |
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| ORD ID | ord-26096e70c2c94761b9c9309d6ec8f58f |
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| Source note | uspto-grants-1998_07 |
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