HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dimethylformamide diethylacetal → 3,4-dihydro-6,7-dimethoxy-2-(dimethylaminomethylene)-1(2H)-naphthalenone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dimethylformamide diethylacetal | HCID 70913 | — |
| Reactant | 3,4-Dihydro-6,7-dimethoxy-1(2H)-naphthalenone | HCID 266816 | — |
| Product | 3,4-dihydro-6,7-dimethoxy-2-(dimethylaminomethylene)-1(2H)-naphthalenone | HCID 54151849 | — |
Reaction Steps
The 3,4-dihydro-6,7-dimethoxy-2-(dimethylaminomethylene)-1(2H)-naphthalenone starting material was prepared from 6,7-dimethoxy-1-tetralone (4.12 g, 20 mmol) and N,N-dimethyl formamide diethyl acetal (10.3 ml, 60 mmol) to give the product as red-brown crystals (3.26 g) m.p. 138-140°. MS (ES+) 284 (MNa+, 12%), 262 (MH+, 100%), 189 (28%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06599908B1 |
| Source dataset | uspto-grants-2003_07 |
| ORD ID | ord-fc036b7ef48949d5a95b460d5db6b4d9 |
| Source note | uspto-grants-2003_07 |