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Triphenylphosphine → (5R)-3-[4-(3,6-dihydro-2H-pyran-4-yl)-3-fluoro-phenyl]-5-[(5-methylisoxazol-3-yl)oxymethyl]oxazolidin-2-one

HRID 1167417
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HRID 1167417 반응식
[OH:1][CH2:2][C@@H:3]1[O:7][C:6](=[O:8])[N:5]([C:9]2[CH:14]=[CH:13][C:12]([C:15]3[CH2:16][CH2:17][O:18][CH2:19][CH:20]=3)=[C:11]([F:21])[CH:10]=2)[CH2:4]1.O[C:23]1[CH:27]=[C:26]([CH3:28])[O:25][N:24]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CC(OC(/N=N/C(OC(C)C)=O)=O)C>C1COCC1>[CH3:28][C:26]1[O:25][N:24]=[C:23]([O:1][CH2:2][C@@H:3]2[O:7][C:6](=[O:8])[N:5]([C:9]3[CH:14]=[CH:13][C:12]([C:15]4[CH2:16][CH2:17][O:18][CH2:19][CH:20]=4)=[C:11]([F:21])[CH:10]=3)[CH2:4]2)[CH:27]=1
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참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 24781HymexazolHCID 5363146Diisopropyl azodicarboxylateHCID 186848415(R)-hydroxymethyl-3-(3-fluoro-4-(3,6-dihydro-(2H)-pyran-4-yl)phenyl)oxazolidin-2-one

생성물 1

HCID 497378(5R)-3-[4-(3,6-dihydro-2H-pyran-4-yl)-3-fluoro-phenyl]-5-[(5-methylisoxazol-3-yl)oxymethyl]oxazolidin-2-one수율 46.1%

시약·촉매·용매

1
HCID 8028Tetrahydrofuran용매

실험 절차

5(R)-hydroxymethyl-3-(3-fluoro-4-(3,6-dihydro-(2H)-pyran-4-yl)phenyl)oxazolidin-2-one (300 mg, 1.02 mmol), 3-hydroxy-5-methylisoxazole (120 mg, 1.21 mmol), triphenylphosphine (270 mg, 1.03 mmol) and diisopropylazodicarboxylate (204 mg, 1.01 mmol) were reacted in THF (8.0 ml) using the general method of Example 1. The resultant product was purified by flash chromatography (Merck 9385 silica, EtOAc/isohexane (7:3) eluant) to give the title product (176 mg, 46%) as a crystalline solid.

후처리

  1. customThe resultant product was purified by flash chromatography (Merck 9385 silica, EtOAc/isohexane (7:3) eluant)

출처 및 근거

ORD 기록
ord-9759d8846940478da0863aa0df55681e
출처 데이터셋
uspto-grants-2003_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06617339B1

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