(1S)-(-)-樟脑烷酸是一种淡米色粉末,常应用于有机合成或药物合成。除了在生化实验和合成实验中的应用外,它还在有机合成中常用作不对称合成的手性诱导剂,用于合成具有药理活性的化合物。
该物质对眼睛、呼吸道和皮肤有刺激作用。如果不慎接触眼睛,请立即用大量清水冲洗,并及时就医诊治。
(1S)-(-)-樟脑烷酸在常温常压下是稳定的,在储存过程中应避免与氧化物接触。最佳的储存条件为常温密闭环境,同时需要保持阴凉、通风和干燥的状态。
生产方法将(1S,4R)-4,7,7-三甲基-3-氧代-2-氧杂双环[2.2.1]-庚烷-1-羧酸和[3aS-(3aα,4β,5β,7β,7aα)]-2-[4-氰基-3-(三氟甲基)苯基]八氢-4,7-二甲基-1,3-二氧代-4,7-环氧-1H-异吲哚-5-基酯(483)加入到化合物471Di(25 mg,0.066 mmol)中。然后,在室温和氩气氛围下,将(1S)-(-)-龙脑酸(20 mg, 0.10 mmol)溶解在0.2 mL CH2Cl2 (20 mg, 0.034 mmol) 中,并加入该溶液。
接下来,在0.25 mL CH2Cl2中的溶液中,继续加入二甲基亚胺(4.0 mg, 0.034 mmol),并进行搅拌。立即获得白色沉淀物,然后过滤除去沉淀物。滤液用乙酸乙酯稀释,并依次使用盐酸、盐水和无水NaHCO3洗涤,再通过无水硫酸镁除去混合物中的水分。
过滤得到的滤液在真空中蒸发浓缩后,得到粘稠的油状残留物。粗品在20 cm³硅胶柱上进行闪光层析,并以正己烷中加入50%乙酸乙酯为洗脱剂,最终得到32 mg白色固体。
最后,从CH2Cl2/正己烷中重结晶后,获得了20 mg(86%)的(1S)-(-)-樟脑烷酸大晶体化合物。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1-(Cyanovinyl) (1'S)-camphanate | 88701-62-6 | C13H15NO4 | 249.266 |
(1S)-(-)-莰烷酰氯 | (1S)-(-)-camphanic chloride | 39637-74-6 | C10H13ClO3 | 216.664 |
—— | (1R,2R,4R)-2-exo-cyano-7-oxabicyclo<2.2.1>hept-5-en-2-endo-yl(1S)-camphanate | 88764-13-0 | C17H19NO5 | 317.342 |
—— | (-)-(1S,4R)-camphanic acid [((2R)-5-benzyloxy-2-hydroxy-1,2,3,4-tetrahydronaphth-2-yl)methyl]ester | 432036-82-3 | C28H32O6 | 464.558 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl camphanate | 54200-35-0 | C11H16O4 | 212.246 |
(1S)-(-)-莰烷酰氯 | (1S)-(-)-camphanic chloride | 39637-74-6 | C10H13ClO3 | 216.664 |
—— | camphanoylchlorid | 49620-91-9 | C10H13ClO3 | 216.664 |
—— | (1S,4R)-4,7,7-Trimethyl-3-oxo-2-oxa-bicyclo[2.2.1]heptane-1-carboxylic acid (S)-1-carbamoyl-2-phenyl-ethyl ester | 192864-48-5 | C19H23NO5 | 345.395 |
—— | (1S,4R)-4,7,7-trimethyl-3-oxo-N'-phenyl-2-oxabicyclo[2.2.1]heptane-1-carbohydrazide | —— | C16H20N2O3 | 288.346 |
—— | (1S,4R)-N-benzyl-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxamide | 85806-00-4 | C17H21NO3 | 287.359 |
—— | (1S,4R)-N'-benzoyl-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbohydrazide | —— | C17H20N2O4 | 316.357 |
—— | (1S,4R)-N'-(4-chlorobenzoyl)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbohydrazide | —— | C17H19ClN2O4 | 350.802 |
—— | (1S,4R)-N'-(4-bromobenzoyl)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbohydrazide | —— | C17H19BrN2O4 | 395.253 |
—— | (1S,4R)-N'-(4-fluorobenzoyl)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbohydrazide | —— | C17H19FN2O4 | 334.347 |
—— | (1S,4R)-4,7,7-Trimethyl-3-oxo-2-oxa-bicyclo[2.2.1]heptane-1-carboxylic acid ((S)-1-phenyl-ethyl)-amide | —— | C18H23NO3 | 301.386 |
—— | (1S,4R)-4,7,7-Trimethyl-3-oxo-2-oxa-bicyclo[2.2.1]heptane-1-carboxylic acid ((R)-1-phenyl-ethyl)-amide | 41158-09-2 | C18H23NO3 | 301.386 |
—— | (1S,4R)-N'-(4-methoxybenzoyl)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbohydrazide | —— | C18H22N2O5 | 346.383 |
—— | (-)-(1S,4R)-camphanic acid [((2R)-5-benzyloxy-2-hydroxy-1,2,3,4-tetrahydronaphth-2-yl)methyl]ester | 432036-82-3 | C28H32O6 | 464.558 |