HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Azide → (+/-)-1-[7-(4-Chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Azide | HCID 33557 | — |
| Reactant | Azide | HCID 33558 | — |
| Reactant | (+/-)-[7-(4-Chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate | HCID 86599102 | — |
| Reactant | (+/-)-2-(Azidomethyl)-7-(4-fluorophenyl)-2,3-dihydro-1-benzofuran | HCID 86599212 | — |
| Catalyst | Platinum | HCID 23939 | — |
| Product | (+/-)-1-[7-(4-Chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine | HCID 11572460 | 78.9% |
Reaction Steps
Treatment of (±)-[7-(4-chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate (1.2 g, 2.89 mmol) with sodium azide (0.752 g, 11.57 mmol) generally according to the procedure described for Intermediate 98 afforded (±)-2-(azidomethyl)-7-(4-fluorophenyl)-2,3-dihydro-1-benzofuran. Treatment of the azide with sulfided platinum on carbon (0.082 g, 5 wt. %) generally according to the procedure described for Example 1 provided 0.592 g (69%) of (±)-1-[7-(4-chlorophenyl)-2,3-dihydro-1-benzofuran-2-yl]methanamine as a white solid, hydrochloride salt. mp 212-214° C.; Anal. calcd. for C15H14ClNOHCl: C, 60.83; H, 65.10; N, 4.73. Found: C, 59.99; H, 5.00; N, 4.47.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07435837B2 |
| Source dataset | uspto-grants-2008_10 |
| ORD ID | ord-0ea84e5599c648dd8061995174f2b7be |
| Source note | uspto-grants-2008_10 |