Hydrochloric Acid → HCID 13061858, 화합물
반응식
[CH3:1][C:2]1[C:3]([O:12][CH3:13])=[C:4]([C:8]([O:10]C)=[O:9])[S:5][C:6]=1[CH3:7].Cl>[OH-].[Na+]>[CH3:13][O:12][C:3]1[C:2]([CH3:1])=[C:6]([CH3:7])[S:5][C:4]=1[C:8]([OH:10])=[O:9]참가 물질
4
실험 절차
Methyl 4,5-dimethyl-3-methoxythiophene-2-carboxylate (34 g) was heated under reflux in 1M sodium hydroxide solution (500 ml) for 1 hour. After cooling the mixture was acidified with concentrated hydrochloric acid to pH4. The solid was filtered, washed with water and dried, m.p. 142°-143° C.
후처리
- temperatureAfter cooling the mixture
- filtrationThe solid was filtered
- washwashed with water
- customdried
출처 및 근거
- ORD 기록
- ord-59d63cedf5744082af887b37b0f2b888
- 출처 데이터셋
- uspto-grants-1991_06
- 특허 번호
- US05021449
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