| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| (R)-(-)-扁桃酸甲酯 | (R)-methyl mandelate | 20698-91-3 | C9H10O3 | 166.177 |
| 中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
|---|---|---|---|---|
| —— | (R)-2-(1-ethoxyethoxy)-2-phenylacetaldehyde | 133187-19-6 | C12H16O3 | 208.257 |
| —— | methyl O-vinylmandelate | 149070-69-9 | C11H12O3 | 192.214 |
| —— | methyl (2R,4R,6R)-6-[(1R)-2-methoxy-2-oxo-1-phenylethoxy]-4-[(2-methylpropan-2-yl)oxy]oxane-2-carboxylate | 207558-06-3 | C20H28O7 | 380.438 |
| —— | methyl (2S,4S)-2-[(1R)-2-methoxy-2-oxo-1-phenylethoxy]-4-[(2-methylpropan-2-yl)oxy]-3,4-dihydro-2H-pyran-6-carboxylate | 207557-99-1 | C20H26O7 | 378.422 |
Cyanohydrins, prepared in high optical purity from aryl aldehydes, have been converted into α- hydroxy aldehydes, β- hydroxy ketones and β- hydroxy amines without any racemization and frequently with good stereoselectivity for the erythro-diastereoisomer (>90%) at the newly introduced stereogenic centre.