HuagongsheHuagongshe Chemistry Print Report · For research reference only
Formaldehyde → HCID 21699073, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Formaldehyde | HCID 712 | — |
| Reactant | Dimethylamine, hydrochloride | HCID 10473 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | HCID 21699033 | HCID 21699033 | — |
| Product | HCID 21699073 | HCID 21699073 | 77% |
Reaction Steps
5-Methylthio-7-oxo-7H-thieno-[3,2-b]thiopyran (1.77 g, 8.24 mmol) and dimethylamine hydrochloride (6.05 g, 74.2 mmol), paraformaldehyde (5.29 g) and potassium carbonate (2.28 g) were used to conduct the process similar to that shown in (1) of the Preparation 6, thus obtaining 1.54 g (yield: 77%) of 6-hydroxymethyl-5-methylthio-7-oxo-7H-thieno[3,2-b]thiopyran.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06294527B1 |
| Source dataset | uspto-grants-2001_09 |
| ORD ID | ord-0e87847c543140029b806734adc01683 |
| Source note | uspto-grants-2001_09 |