HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3-Thiazole-2-carbaldehyde → 6-Methoxy-3-(2-thiazolyl)methylene-4-chromanone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,3-Thiazole-2-carbaldehyde | HCID 2734903 | — |
| Reactant | 6-methoxy-3,4-dihydro-2H-1-benzopyran-4-one | HCID 4612168 | — |
| Product | 6-Methoxy-3-(2-thiazolyl)methylene-4-chromanone | HCID 54181318 | — |
Reaction Steps
By the method of Example 1, 6-methoxy-4-chromanone (3.97 g, 0.0223 mol) and 2-thiazolecarbaldehyde (3.00 g, 0.0265 mol) were converted to present title product which was recrystallized from methanol, 1.20 g (20%), m.p. 130-132° C., tlc (1:19 CH3OH:CH2Cl2) Rf 0.67.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05998451 |
| Source dataset | uspto-grants-1999_12 |
| ORD ID | ord-1fc3dd599db94d8c86e79028eeb1b6ab |
| Source note | uspto-grants-1999_12 |