HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetaldehyde → 1-(2-Ethylidenehydrazino)-6,7-dimethoxy-3,4-dihydroisoquinoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetaldehyde | HCID 177 | — |
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | 1-Hydrazino-6,7-dimethoxy-3,4-dihydroisoquinoline | HCID 54311 | — |
| Product | 1-(2-Ethylidenehydrazino)-6,7-dimethoxy-3,4-dihydroisoquinoline | HCID 57159688 | — |
Reaction Steps
In a manner similar to that of Step C of Example 1, condensation of 1-hydrazino-6,7-dimethoxy-3,4-dihydroisoquinoline (7.2 g.) with acetaldehyde (4.3 g.) and treatment of the resulting product with sulfuric acid afforded 1-(2-ethylidenehydrazino)-6,7-dimethoxy-3,4-dihydroisoquinoline (I: X=CH3, X' =Y=Y' =H, Z=Z' =CH3O) sulfate monohydrate (5.3 g., m.p. 165°-168° C.).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04009170 |
| Source dataset | uspto-grants-1977_02 |
| ORD ID | ord-43bef293ab2b422ca9a02fd57516012c |
| Source note | uspto-grants-1977_02 |