HuagongsheHuagongshe Chemistry Print Report · For research reference only
Beta-Alanine → 5-[(4,6-Ditert-butyl-5-hydroxypyrimidin-2-yl)methylidene]-2-imino-1,3-thiazolidin-4-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Beta-Alanine | HCID 239 | — |
| Reactant | 4,6-Bis(1,1-dimethylethyl)-5-[(2-methoxyethoxy)methoxy]-2-pyrimidine carboxaldehyde | HCID 19922992 | — |
| Reactant | (5Z)-5-[(3-cyclopentyloxy-4-methoxyphenyl)methylidene]-2-imino-1,3-thiazolidin-4-one | HCID 137629131 | — |
| Product | 5-[(4,6-Ditert-butyl-5-hydroxypyrimidin-2-yl)methylidene]-2-imino-1,3-thiazolidin-4-one | HCID 140369228 | 11.2% |
Reaction Steps
4,6-Bis-(1,1-dimethylethyl)-5-[(2-methoxyethoxy)methoxy]-2-pyrimidine carboxaldehyde (0.5 g, 1.5 mmoles) is treated with β-alanine (0.27 g, 3.1 mmoles) and pseudothiohydantoin (0.21 g, 1.8 mmoles) according to the procedure of Example 6 to give 0.056 g (11%) of 5-[[4,6-bis-(1,1-dimethylethyl]-5-hydroxy pyrimidinyl]methylene]-2-imino-4-thiazolidinone. MP=278°-281° C. dec.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05270319 |
| Source dataset | uspto-grants-1993_12 |
| ORD ID | ord-1e4ae8c2580b40a19c87030cf7b33576 |
| Source note | uspto-grants-1993_12 |