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2-(Bromomethyl)tetrahydro-2H-pyran → 1'-[(2R)-tetrahydrofuran-2-ylmethyl]-6,7-dihydro-5H-spiro[furo[3,2-g]chromene-3,3'-indol]-2'(1'H)-one

HRID 2385239
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HRID 2385239 반응식
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]2([C:13]3[CH:14]=[C:15]4[C:20](=[CH:21][C:12]=3[O:11][CH2:10]2)[O:19][CH2:18][CH2:17][CH2:16]4)[C:2]1=[O:22].N1C2C(=CC=CC=2)[C:25]2([CH2:35][O:34][C:33]3[CH:36]=C4C(=C[C:32]2=3)CCO4)C1=O.CC1C=CC(S(OC[C@H]2CCCO2)(=O)=O)=CC=1.BrCC1CCCCO1>>[O:34]1[CH2:35][CH2:25][CH2:32][C@@H:33]1[CH2:36][N:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]2([C:13]3[CH:14]=[C:15]4[C:20](=[CH:21][C:12]=3[O:11][CH2:10]2)[O:19][CH2:18][CH2:17][CH2:16]4)[C:2]1=[O:22]
참가 물질실험 절차출처 및 근거반응 노트

참가 물질

5

반응물 4

HCID 1419172-(Bromomethyl)tetrahydro-2H-pyranHCID 7033050(R)-(tetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonateHCID 592633545,6-dihydro-2H-spiro[benzofuro[6,5-b]furan-3,3'-indolin]-2'-oneHCID 673578866,7-dihydro-5H-spiro[furo[3,2-g]chromene-3,3'-indol]-2'(1'H)-one

생성물 1

HCID 593523321'-[(2R)-tetrahydrofuran-2-ylmethyl]-6,7-dihydro-5H-spiro[furo[3,2-g]chromene-3,3'-indol]-2'(1'H)-one

실험 절차

Following the procedure as described in EXAMPLE 4 and making non-critical variations using 6,7-dihydro-5H-spiro[furo[3,2-g]chromene-3,3′-indol]-2′(1′H)-one to replace 5,6-dihydrospiro[benzo[1,2-b:5,4-b′]difuran-3,3′-indol]-2′(1′H)-one, and (R)-(tetrahydrofuran-2-yl)methyl 4-methylbenzenesulfonate to replace 2-(bromomethyl)tetrahydro-2H-pyran, 1′-[(2R)-tetrahydrofuran-2-ylmethyl]-6,7-dihydro-5H-spiro[furo[3,2-g]chromene-3,3′-indol]-2′(1′H)-one was obtained (57%) as an off-white solid: mp 151-156° C. (diethyl ether); 1H NMR (300 MHz, CDCl3) (diastereomers) δ7.32-7.26 (m, 1H), 7.16-7.02 (m, 3H), 6.40 (s, 1H), 6.38 (s, 1H), 4.89 (d, J=9.0 Hz, 1H), 4.644, 4.640 (d, J=9.0 Hz, 1H), 4.32-4.24 (m, 1H), 4.11 (dd, J=5.4, 4.8 Hz, 2H), 3.99-3.69 (m, 4H), 2.63-2.52 (m, 2H), 2.10-1.85 (m, 5H), 1.79-1.67 (m, 1H); 13C NMR (75 MHz, CDCl3) (diastereomers) δ178.3, 178.2, 160.2, 156.3, 143.0, 132.8, 132.7, 128.8, 128.7, 123.88, 123.86, 123.82, 123.76, 123.3, 121.1, 121.0, 115.24, 115.20, 109.7, 109.5, 98.9, 80.43, 80.40, 77.1, 77.0, 68.4, 68.3, 66.7, 57.8, 57.7, 44.8, 44.7, 29.4, 29.1, 25.8, 25.7, 24.8, 24.7, 22.4; MS (ES+) m/z 378.1 (M+1).

출처 및 근거

ORD 기록
ord-3ee9235a80434176a3eedc31a0f798c5
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08263606B2

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