HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanol → 2-(1-Pyrrolidinyl)-4-(hydroxymethyl)thiazole
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | Ethyl 2-(pyrrolidin-1-yl)thiazole-4-carboxylate | HCID 13339674 | — |
| Solvent | Chloroform | HCID 6212 | — |
| Product | 2-(1-Pyrrolidinyl)-4-(hydroxymethyl)thiazole | HCID 18759150 | 4% |
Reaction Steps
Using the procedure of Example 11C but replacing ethyl 2-(4-morpholinyl)thiazole-4-carboxylate with ethyl 2-(1-pyrrolidinyl)thiazole-4-carboxylate provided, after silica gel chromatography using 2-4% methanol in chloroform, the desired compound (Rf 0.26, 4% methanol in chloroform) in 53% yield. 1H NMR (CDCl3) δ 2.04 (m, 4H), 2.75 (br, 1H), 3.45 (m, 4H), 4.56 (s, 2H), 6.32 (s, 1H). Mass spectrum: (M+H)+185.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06667404B2 |
| Source dataset | uspto-grants-2003_12 |
| ORD ID | ord-a7a3e489b083415cae1684aabef8eed4 |
| Source note | uspto-grants-2003_12 |