1181816-12-5
中文名称
6-氧代-2-氮杂螺[3.3]庚烷-2-羧酸叔丁酯
英文名称
tert-butyl 6-oxo-2-azaspiro[3.3]heptane-2-carboxylate
CAS
1181816-12-5
分子式
C11H17NO3
分子量
211.258
MOL 文件
1181816-12-5.mol
更新日期
2025/08/18 17:16:57

基本信息
中文别名
2-BOC-6-氧代-2-氮杂螺[3.4]辛烷6-氧代-2-氮杂螺[3.3]庚烷-2-羧酸叔丁酯
6-氧代-2-氮杂螺[3.3]庚烷-2-甲酸叔丁酯
2-BOC-6-氧代-2-氮杂螺[3.3]庚烷/TERT-BUTYL 6-OXO-2-AZASPIRO[3.3]HEPTANE-2-CARBOXYLATE
英文别名
2-Boc-6-oxo-2-azaspiro[3....6-oxo-2-azaspiro[3.3]hept...
2-Boc-6-oxo-2-azaspiro[3.3]heptane
6-oxo-2-azaspiro[3.3]heptane-2-carboxyL
tert-butyl 6-oxo-2-azaspiro[3.4]octane-2-ca
ert-Butyl6-oxo-2-azaspiro[3.3]heptane-2-carboxylate
tert-butyl 6-oxo-2-azaspiro[3.4]octane-2-carboxylate
tert-Butyl 7-oxo-2-azaspiro[3.4]octane-2-carboxylate
tert-butyl 6-oxo-2-azaspiro[3.3]heptane-2-carboxylate
6-Oxo-2-aza-spiro[3.3]heptane-2-carboxylic acid tert-butyl ester
所属类别
医药中间体:原料药中间体物理化学性质
熔点114.5-116 °C
沸点314.7±42.0 °C(Predicted)
密度1.16±0.1 g/cm3(Predicted)
储存条件Sealed in dry,2-8°C
酸度系数(pKa)-0.93±0.20(Predicted)
形态solid
颜色Pale yellow
InChIInChI=1S/C11H17NO3/c1-10(2,3)15-9(14)12-6-11(7-12)4-8(13)5-11/h4-7H2,1-3H3
InChIKeyHQHRAGXKFOTSQE-UHFFFAOYSA-N
SMILESC1C2(CC(=O)C2)CN1C(OC(C)(C)C)=O
CAS 数据库1181816-12-5
制备方法
方法1
![tert-butyl 5,5-dichloro-6-oxo-2-azaspiro[3.3]heptane-2-carboxylate](/CAS/GIF/1239320-10-5.gif)
1239320-10-5
![6-氧代-2-氮杂螺[3.3]庚烷-2-羧酸叔丁酯](/CAS2/GIF/1181816-12-5.gif)
1181816-12-5
以5,5-二氯-6-氧代-2-氮杂螺[3.3]庚烷-2-羧酸叔丁酯(1.65 g,5.89 mmol,1.0当量)为原料,锌粉(0.85 g,15.0 mmol,2.6当量)和氯化铵(1.2 g,22.0 mmol,3.8当量)加入到甲醇(30 mL)中。反应在室温下于氮气保护下进行18小时。反应完成后,加入水(40 mL)淬灭反应,用乙酸乙酯(30 mL × 2)萃取。合并有机相,经无水硫酸钠干燥后,减压浓缩。粗产物通过硅胶柱色谱纯化,洗脱剂为石油醚:乙酸乙酯(v/v = 5:1),得到0.8 g目标产物6-氧代-2-氮杂螺[3.3]庚烷-2-甲酸叔丁酯,为白色固体,产率66.0%。
参考文献:
[1] Patent: CN106565706, 2017, A. Location in patent: Paragraph 0176; 0177; 0178
[2] Organic Letters, 2009, vol. 11, # 16, p. 3523 - 3525
[3] Patent: US2011/319381, 2011, A1. Location in patent: Page/Page column 15
[4] Patent: US2012/129830, 2012, A1. Location in patent: Page/Page column 13
[5] Patent: WO2015/48507, 2015, A1. Location in patent: Paragraph 0219