HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → 1-[2-(dimethylamino)ethyl]-8-chloro-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Ethylenediamine | HCID 3301 | — |
| Reactant | Sodium cyanoborohydride | HCID 5003444 | — |
| Reactant | 1-(2-aminoethyl)-8-chloro-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine | HCID 12612407 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Acetonitrile | HCID 6342 | — |
| Product | 1-[2-(dimethylamino)ethyl]-8-chloro-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine | HCID 12612417 | — |
Reaction Steps
In the manner given in Example 22, a mixture of 1-(2-aminoethyl)-8-chloro-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine, 37% aqueous formaldehyde and acetic acid in acetonitrile is treated with sodium cyanoborohydride and the resulting boron complex is warmed with aqueous ethylenediamine to give 1-[2-(dimethylamino)ethyl]-8-chloro-6-(o-chlorophenyl)-4H-s-triazolo[4,3-a][1,4]benzodiazepine.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US03994941 |
| Source dataset | uspto-grants-1976_11 |
| ORD ID | ord-9155c388f8c64c8abbdc4a52a7e33a68 |
| Source note | uspto-grants-1976_11 |