Triphenylphosphine → HCID 70157633, 화합물

HRID 1278824노트

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HRID 1278824 반응식
[Br:1][C:2]1[C:11]2[S:12][C:13]([CH3:16])=[C:14]([CH3:15])[C:10]=2[C:9]([C:17]2[CH:22]=[C:21]([CH3:23])[C:20]([OH:24])=[C:19]([CH3:25])[CH:18]=2)=[C:8]2[C:3]=1[CH:4]=[CH:5][CH:6]=[CH:7]2.O[C@@H:27]([CH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1)[C:28]([O:30][CH3:31])=[O:29].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C1C=CC=CC=1>[CH3:31][O:30][C:28](=[O:29])[C@H:27]([O:24][C:20]1[C:21]([CH3:23])=[CH:22][C:17]([C:9]2[C:10]3[C:14]([CH3:15])=[C:13]([CH3:16])[S:12][C:11]=3[C:2]([Br:1])=[C:3]3[C:8]=2[CH:7]=[CH:6][CH:5]=[CH:4]3)=[CH:18][C:19]=1[CH3:25])[CH2:32][C:33]1[CH:34]=[CH:35][CH:36]=[CH:37][CH:38]=1

참가 물질

6

반응물 4

HCID 11776TriphenylphosphineHCID 220568ethyl N-ethoxycarbonyliminocarbamateHCID 5289077(S)-methyl 2-hydroxy-3-phenylpropanoateHCID 18430706HCID 18430706, 화합물

생성물 1

HCID 70157633HCID 70157633, 화합물수율 65%

시약·촉매·용매 1

HCID 241Benzene용매

실험 절차

To a solution of 4-(9-bromo-2,3-dimethyl-naphtho[2,3-b]thiophen-4-yl)-2,6-dimethyl-phenol (5.0 g, 12.1 mmol), (S)-2-hydroxy-3-phenylpropionic acid, methyl ester (3.3 g, 18.3 mmol), and triphenylphosphine (4.8 g, 18.3 mmol) in anhydrous benzene (50 mL) at room temperature under nitrogen was added dropwise diethyl azodicarboxylate (2.6 mL, 18.3 mmol) over a period of 25 min. The reaction mixture was heated for 2 h, then stirred at room temperature for 3 days. The crude reaction mixture was adsorbed onto silica gel and chromatographed twice with petroleum ether:ethyl acetate (95:5) to yield the title compound as a white foamy solid (4.5 g, 65%): NMR (DMSO-d6): δ 8.18 (d, 1H), 7.64 (ddd, 1H), 7.53-7.43 (m, 2H), 7.38-7.24 (m, 5H), 7.00 (s, 2H), 4.80 (t, 1H), 3.58 (s, 3H), 3.31 (m, 2H), 2.42 (s, 3H), 2.24 (s, 3H), 2.19 (s, 3H), 1.55 (s, 3H); MS(EI): [M+], 1 bromine isotope pattern, 572/574; Anal. Calc. for C32H29BrO3S: C, 67.01, H, 5.10, N, 0.00. Found: C, 66.33, H, 5.09, N, 0.09; Analytical HPLC indicates a major component (94.39%).

후처리

  1. temperatureThe reaction mixture was heated for 2 h
  2. customThe crude reaction mixture
  3. customchromatographed twice with petroleum ether:ethyl acetate (95:5)

출처 및 근거

ORD 기록
ord-d56ec76811794dabb3ad876f9b6dee21
출처 데이터셋
uspto-grants-2002_09
특허 번호
US06444670B2

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