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Isopropyl iodide → 7-Isopropyl-5-[isopropyl-(4-methoxy-phenyl)-amino]-3,3,6-trimethyl-2,3-dihydro-benzofuran

HRID 2290153
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HRID 2290153 반응식
[CH:1]([C:4]1[C:12]2[O:11][CH2:10][C:9]([CH3:14])([CH3:13])[C:8]=2[CH:7]=[C:6]([NH:15][C:16]2[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[CH:18][CH:17]=2)[C:5]=1[CH3:24])([CH3:3])[CH3:2].[CH2:25]([Li])[CH2:26][CH2:27]C.IC(C)C>O1CCCC1>[CH:1]([C:4]1[C:12]2[O:11][CH2:10][C:9]([CH3:13])([CH3:14])[C:8]=2[CH:7]=[C:6]([N:15]([CH:26]([CH3:27])[CH3:25])[C:16]2[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[CH:18][CH:17]=2)[C:5]=1[CH3:24])([CH3:3])[CH3:2]
참가 물질실험 절차출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6362Isopropyl iodideHCID 186991997-Isopropyl-5-[(4-methoxy-phenyl)-amino]-3,3,6-trimethyl-2,3-dihydro-benzofuran2회HCID 178418339Butyllithium

생성물 1

HCID 186991727-Isopropyl-5-[isopropyl-(4-methoxy-phenyl)-amino]-3,3,6-trimethyl-2,3-dihydro-benzofuran수율 7%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran
용매

실험 절차

Following general procedure L and using 7-isopropyl-5-[(4-methoxy-phenyl)-amino]-3,3,6-trimethyl-2,3-dihydro-benzofuran (Compound 52, 0.6 g, 2.7 mmol), 1.6M solution of n-butyllithium in hexanes (2.2 mL, 3.5 mmol) and 2-iodopropane (0.9 g, 5.4 mmol) in 10mL of anhydrous tetrahydrofuran, the title compound (0.077 g, 7%) was obtained as a brown oil after separation from recovered 7-isopropyl-5-[(4-methoxy-phenyl)-amino]-3,3,6-trimethyl-2,3-dihydro-benzofuran (Compound 52, 0.2 g) by preparative normal phase HPLC using 4% ethyl acetate in hexanes as the mobile phase. 1H NMR (300 MHz, CDCl3): δ 6.75 (d, 2H, J=9.2 Hz), 6.62 (s, 1H), 6.38 (d, 2H, J=9.2 Hz),4.25-4.11 (m, 3H), 3.73 (s, 3H), 3.19 (heptet, 1H, J=7.0 Hz), 2.06 (s, 3H), 1.33 (d, 6H, J=7.0 Hz), 1.27 (s, 6H), 1.11 (br m, 6H).

출처 및 근거

ORD 기록
ord-97b2216af4964328ad01a79b421a9d76
출처 데이터셋
uspto-grants-2000_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06093838

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