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4-Piperidinol, 1,2,2,6,6-pentamethyl- → 1,2,2,6,6-pentamethylpiperidin-4-yl 3-(5-Chlorobenzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamate
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 4-Piperidinol, 1,2,2,6,6-pentamethyl- | HCID 75472 | — |
| 反応物 | 2-(3'-tert-Butyl-2'-hydroxy-5'-(2-methoxycarbonylethyl)phenyl)-5-chlorobenzotriazole | HCID 3019140 | — |
| 生成物 | 1,2,2,6,6-pentamethylpiperidin-4-yl 3-(5-Chlorobenzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamate | HCID 10143048 | — |
反応手順
Methyl 3-(5-chlorobenzotriazol-2-yl)-5-tert-butyl-4-hydroxyhydrocinnamate (10.0 g, 0.026 mol) and 1,2,2,6,6-pentamethyl-4-hydroxypiperidine (3.98 g, 0.023 mol) are reacted together according to the procedure of Example 1. The title compound is obtained in a yield of 3.23 g (26%) as an off-white solid, melting at 150-158° C., whose structure is consistent with 1Hnmr and mass spectrometry. The compound has a molar absorptivity of 17,092 l/mole cm.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07419513B2 |
| 出典データセット | uspto-grants-2008_09 |
| ORD ID | ord-b90eeb78e34d464d942b2a5c26b6dbe7 |
| 出典メモ | uspto-grants-2008_09 |