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Triphenylphosphine → (5R)-3-[4-(3,6-dihydro-2H-pyran-4-yl)-3-fluoro-phenyl]-5-(1,2,5-thiadiazol-3-yloxymethyl)oxazolidin-2-one

HRID 1167494
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HRID 1167494 반응식
CC(OC(/N=N/C(OC(C)C)=O)=O)C.[OH:15][CH2:16][C@@H:17]1[O:21][C:20](=[O:22])[N:19]([C:23]2[CH:28]=[CH:27][C:26]([C:29]3[CH2:30][CH2:31][O:32][CH2:33][CH:34]=3)=[C:25]([F:35])[CH:24]=2)[CH2:18]1.O[C:37]1[CH:41]=[N:40][S:39][N:38]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>C1COCC1>[S:39]1[N:40]=[CH:41][C:37]([O:15][CH2:16][C@@H:17]2[O:21][C:20](=[O:22])[N:19]([C:23]3[CH:28]=[CH:27][C:26]([C:29]4[CH2:30][CH2:31][O:32][CH2:33][CH:34]=4)=[C:25]([F:35])[CH:24]=3)[CH2:18]2)=[N:38]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 186848415(R)-hydroxymethyl-3-(3-fluoro-4-(3,6-dihydro-(2H)-pyran-4-yl)phenyl)oxazolidin-2-oneHCID 178516825HCID 178516825, 화합물

생성물 1

HCID 497388(5R)-3-[4-(3,6-dihydro-2H-pyran-4-yl)-3-fluoro-phenyl]-5-(1,2,5-thiadiazol-3-yloxymethyl)oxazolidin-2-one수율 73%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

Diisopropylazodicarboxylate (0.22 g, 1.1 mmol) was added dropwise at ambient temperature to a stirred solution of 5(R)-hydroxymethyl-3-(4-[3,6-dihydro-(2H)-pyran-4-yl]-3-fluorophenyl)oxazolidin-2-one (WO97/09328; 0.275 g, 0.93 mmol), 3-hydroxy1,2,5-thiadiazole (Weinstock et al. Journal of Organic Chemistry 32, 2823 [1967]; 0.1 12 g, 1.1 mmol) and triphenylphosphine (0.288 g, 1.1 mmol) in dry THF (7 ml). The solution was kept for 1.5 hours. Solvent was evaporated and the residue was purified by flash column chromatography, eluting with EtOAc/isohexane (1:1) to give the title product (0.256 g , 73%) as a solid (mp 146-148 ° C.). MS: 378 (MH+); NMR: 2.4 (1H, bs); 3.78 (3H, t); 3.96 (1H, m); 4.2 (3H, m); 4.66 (2H, m); 5.1 (1H, m); 6.05 (1H, s); 7.27-7.5 (3H, m); 8.41 (1H, s).

후처리

  1. customSolvent was evaporated
  2. customthe residue was purified by flash column chromatography
  3. washeluting with EtOAc/isohexane (1:1)

출처 및 근거

ORD 기록
ord-d5d6fc2d4e0648e9a2c190ca483d8838
출처 데이터셋
uspto-grants-2003_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06617339B1

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