HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ammonium Chloride → HCID 19696324, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ammonium Chloride | HCID 25517 | — |
| Reactant | Sodium borohydride | HCID 4311764 | — |
| Reactant | HCID 15063399 | HCID 15063399 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 19696324 | HCID 19696324 | 76.1% |
Reaction Steps
190 mg of sodium borohydride were added to a stirred solution of 650 mg of 8,9-dihydropyrido[1,2-a]indol-7(6H)-one in 50 ml of methanol under a nitrogen atmosphere. The mixture was stirred and then poured into 100 ml of saturated ammonium chloride solution. The mixture was extracted with ethyl acetate and the combined extracts were dried and evaporated to give a solid. This was crystallized from diethyl ether/n-hexane and gave 500 mg of 6,7,8,9-tetrahydro-7-hydroxypyrido[1,2-a]indole of melting point 99°-100° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05721245 |
| Source dataset | uspto-grants-1998_02 |
| ORD ID | ord-b5adaf414ebb434f9d58328bd331df10 |
| Source note | uspto-grants-1998_02 |