Hydrochloric Acid → HCID 22221337, 화합물

HRID 1794400노트

반응식

HRID 1794400 반응식
[Cl:1][C:2]1[S:6][C:5]([C:7]2[O:11][N:10]=[CH:9][C:8]=2[CH2:12][CH2:13][C:14](OC)=[O:15])=[CH:4][CH:3]=1.[H-].C([Al+]CC(C)C)C(C)C.Cl>O1CCCC1>[Cl:1][C:2]1[S:6][C:5]([C:7]2[O:11][N:10]=[CH:9][C:8]=2[CH2:12][CH2:13][CH2:14][OH:15])=[CH:4][CH:3]=1

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 21225700DiisobutylaluminumhydrideHCID 22221223HCID 22221223, 화합물

생성물 1

HCID 22221337HCID 22221337, 화합물수율 73%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of methyl 3-[5-(5-chloro-2-thienyl)-4-isoxazolyl]propionate (3.10 g) in tetrahydrofuran (80 ml) was gently added diisobutylaluminum hydride (1.5 M toluene solution, 17 ml) at 0° C., and the mixture was stirred at room temperature for 1 hr. The reaction mixture was poured into dilute hydrochloric acid, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and 3-[5-(5-chloro-2-thienyl)-4-isoxazolyl]propan-1-ol (2.02 g, yield 73%) was obtained as a colorless oil from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). NMR (CDCl3) δ: 1.41 (1H, br t, J=5 Hz), 1.8–2.0 (2H, m), 2.73 (2H, t, J=8 Hz), 3.73 (2H, td, J=6, 5 Hz), 6.98 (1H, d, J=4 Hz), 7.29 (1H, d, J=4 Hz), 8.17 (1H, s).

후처리

  1. customat 0° C.
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe ethyl acetate layer was washed with saturated brine
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated

출처 및 근거

ORD 기록
ord-32f55f8600c84fa9930be7c3407060f0
출처 데이터셋
uspto-grants-2006_04
특허 번호
US07022725B2

반응 노트

불러오는 중…