Hydrochloric Acid → [4-[N-methyl-N-(4-oxo-4H-pyrido[3,2-e]-1,3-thiazin-2-yl)amino]phenyl]acetic acid

HRID 367206노트

반응식

HRID 367206 반응식
[CH3:1][N:2]([C:14]1[CH:19]=[CH:18][C:17]([CH2:20][C:21]([O:23]CC)=[O:22])=[CH:16][CH:15]=1)[C:3]1[S:4][C:5]2[N:13]=[CH:12][CH:11]=[CH:10][C:6]=2[C:7](=[O:9])[N:8]=1.C(O)C.[OH-].[Na+].Cl>O>[CH3:1][N:2]([C:14]1[CH:19]=[CH:18][C:17]([CH2:20][C:21]([OH:23])=[O:22])=[CH:16][CH:15]=1)[C:3]1[S:4][C:5]2[N:13]=[CH:12][CH:11]=[CH:10][C:6]=2[C:7](=[O:9])[N:8]=1

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 702EthanolHCID 14798Sodium HydroxideHCID 86755945HCID 86755945, 화합물

생성물 1

HCID 23287586[4-[N-methyl-N-(4-oxo-4H-pyrido[3,2-e]-1,3-thiazin-2-yl)amino]phenyl]acetic acid수율 98.6%

시약·촉매·용매 1

HCID 962Water용매

실험 절차

To a mixture of 250 mg of ethyl [4-[N-methyl-N-(4-oxo-4H-pyrido[3,2-e]-1,3-thiazin-2-yl)amino)phenyl]acetate and 1.55 ml of ethanol was added 1.55 ml of a 0.5 N aqueous solution of sodium hydroxide under cooling with ice. The mixture was then stirred at room temperature for 4 hours. The reaction mixture was diluted with 5 ml of water, and then adjusted with a 0.5 N hydrochloric acid to pH 1. The resulting crystal was collected by filtration, washed with water and then with diethyl ether, and then dried under reduced pressure to obtain 227 mg of [4-[N-methyl-N-(4-oxo-4H-pyrido[3,2-e]-1,3-thiazin-2-yl)amino]phenyl]acetic acid. Nuclear magnetic resonance spectrum (CDCl3, TMS internal standard) δ: 3.64 (3H, s), 3.77 (2H, s), 7.33 (2H, d, J=7.6 Hz), 7.38 (1H, dd, J=8.0, 4.8 Hz), 7.49 (2H, d, J=7.6 Hz), 8.54-8.60 (1H, m), 8.67 (1H, d, J=8.0 Hz)

후처리

  1. temperatureunder cooling with ice
  2. filtrationThe resulting crystal was collected by filtration
  3. washwashed with water
  4. dry with materialwith diethyl ether, and then dried under reduced pressure

출처 및 근거

ORD 기록
ord-e6fb260ef88e4888954bc5f0ee018f2c
출처 데이터셋
uspto-grants-2000_10
특허 번호
US06133258

반응 노트

불러오는 중…