Triethanolamine → N-Cyclohexyl-4,4-dimethyl-3-oxopentanamide
반응식
C(O[C:4](=[O:12])[CH2:5][C:6](=[O:11])[C:7]([CH3:10])([CH3:9])[CH3:8])C.[CH:13]1([NH2:19])[CH2:18][CH2:17][CH2:16][CH2:15][CH2:14]1.N(CCO)(CCO)CCO>C1(C)C=CC=CC=1>[CH:13]1([NH:19][C:4](=[O:12])[CH2:5][C:6](=[O:11])[C:7]([CH3:8])([CH3:9])[CH3:10])[CH2:18][CH2:17][CH2:16][CH2:15][CH2:14]1참가 물질
5
실험 절차
Ethylpivaloylacetate (172 g.), cyclohexylamine (99 g.), triethanolamine (1 g.) and toluene (200 ml.) are mixed in a distillation flask and heated at reflux under a 6 in. Vigreux distillation column. When the head temperature stabilized at 82° C. distillation was begun at a take off to reflux ratio of 1 to 10. Distillation was continued until a head temperature of 110° C. is obtained. The remainder of the solvent is removed in a vacuum and residue is crystallized by trituation with hexane. A yield of 201 g. of product melting at 69°-70° C. is obtained.
후처리
- temperatureheated
- temperatureat reflux under a 6 in
- distillationVigreux distillation column
- customstabilized at 82° C.
- distillationdistillation
- temperatureto reflux ratio of 1 to 10
- distillationDistillation
- customwas continued until a head temperature of 110° C.
- customis obtained
- customThe remainder of the solvent is removed in a vacuum and residue
- customis crystallized by trituation with hexane
출처 및 근거
- ORD 기록
- ord-2fa57a9388fe408f88b73c7e6cd0cb96
- 출처 데이터셋
- uspto-grants-1976_11
- 특허 번호
- US03993637
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