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2,3,8a-trimethyl-3,4,4a,5,8,8a-hexahydro-1(2H)-naphthalenone → 2,3,8a-Trimethyloctahydronaphthalen-1(2H)-one
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | 2,3,8a-trimethyl-3,4,4a,5,8,8a-hexahydro-1(2H)-naphthalenone | HCID 57429441 | — |
| 触媒 | Palladium | HCID 23938 | — |
| 溶媒 | Ethyl Acetate | HCID 8857 | — |
| 生成物 | 2,3,8a-Trimethyloctahydronaphthalen-1(2H)-one | HCID 16063532 | 98.1% |
反応手順
2,3,8a-trimethyl-3,4,4a,5,8,8a-hexahydro-1(2H)-naphthalenone (10 g, 52 mmol) was hydrogenated, at room temperature and atmospheric pressure, in ethyl acetate (100 ml) in presence of 5% Pd—C (1.0 g). The crude product was purified by bulb-to-bulb distillation (78° C./0.035 mbar) to give desired compound (9.88 g, 51 mmol, 98%) as a 3:2 mixture of diastereoisomers.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US07704933B2 |
| 出典データセット | uspto-grants-2010_04 |
| ORD ID | ord-e1d4afe416e04b76a6d08fcff7dc2034 |
| 出典メモ | uspto-grants-2010_04 |