HuagongsheHuagongshe Chemistry Print Report · For research reference only
Dimethylformamide diethylacetal → HCID 54100357, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Dimethylformamide diethylacetal | HCID 70913 | — |
| Reactant | 4,5,6,7-Tetrahydro-4-oxothionaphthene | HCID 83418 | — |
| Product | HCID 54100357 | HCID 54100357 | — |
Reaction Steps
The 5-(dimethylaminomethylene)-4-oxo-4,5,6,7-tetrahydrobenzo[b]-thiophene starting material was prepared from 4-keto-4,5,6,7-tetrahydrothianaphthene (5.0 g, 33 mmol) and N,N-dimethylformamide diethyl acetal (15 ml, 87.5 mmol) to give the desired product as large yellow crystals (2.3 g) after recrystallisation from ethyl acetate m.p. 106.9°. MS (ES+) 208 (MH+, 100%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06057329 |
| Source dataset | uspto-grants-2000_05 |
| ORD ID | ord-1e3acb2291444dbbb21c3ca6d7485856 |
| Source note | uspto-grants-2000_05 |