HuagongsheHuagongshe Chemistry Print Report · For research reference only
Chromanone → HCID 4680943, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Chromanone | HCID 68110 | — |
| Reactant | Dimethylformamide diethylacetal | HCID 70913 | — |
| Product | HCID 4680943 | HCID 4680943 | — |
Reaction Steps
The 3-(dimethylaminomethylene)-chroman-4-one starting material was prepared from 4-chromanone (5.0 g, 33.7 mmol) and N,N-dimethyl-formamide diethyl acetal (15 ml, 87.5 mmol) to give the desired product as orange crystals (4.3 g) m.p. 135.8°. MS (ES+) 204 (100%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06599908B1 |
| Source dataset | uspto-grants-2003_07 |
| ORD ID | ord-feb643f0ac9e4c2987f334dc1394ad8b |
| Source note | uspto-grants-2003_07 |