HuagongsheHuagongshe Chemistry Print Report · For research reference only
Thiochroman-4-one → HCID 54032814, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Thiochroman-4-one | HCID 19048 | — |
| Reactant | Dimethylformamide diethylacetal | HCID 70913 | — |
| Product | HCID 54032814 | HCID 54032814 | — |
Reaction Steps
The 3,4-dihydro-2-(dimethylaminomethylene)-4-thia-1(2H)-naphthalenone starting material was prepared from thiochroman-4-one (4.93 g, 26.8 mmol) and N,N-dimethylformamide diethyl acetal (23 ml, 133.8 mmol) to give the desired product as golden yellow crystals (5.15 g) m.p. 96-97°. MS (ES+) 220 (MH+, 100%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06057329 |
| Source dataset | uspto-grants-2000_05 |
| ORD ID | ord-f081ab0a82f447e3be3bc6dd341463b8 |
| Source note | uspto-grants-2000_05 |