Supporting Information
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- Καλλίστρατος Σερπετζόγλου
- 5 χρόνια πριν
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1 Supporting Information for AgOTf-catalyzed one-pot reactions of 2-alkynylbenzaldoximes with α,β-unsaturated carbonyl compounds Qiuping Ding 1, Dan Wang 1, Puying Luo* 2, Meiling Liu 1, Shouzhi Pu* 3 and Liyun Zhou 1 Address: 1 Key Laboratory of Functional Small Organic Molecules, Ministry of Education and College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi , P. R. China, 2 Department of Obstetrics and Gynecology, Jiangxi Provincial people's Hospital, Nanchang, Jiangxi , P. R. China and 3 Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi , P. R. China Puying Luo - luopuying1979@gmail.com; Shouzhi Pu - pushouzhi@tsinghua.org.cn *Corresponding author Experimental part 1. General procedure and characterization data for compounds 3 and 4 S2 S13 2. NMR spectra of all compounds S14 S33 S1
2 General procedure for the AgOTf-catalyzed one-pot reactions of 2- alkynylbenzaldoximes 1 with α,β-unsaturated carbonyl compounds 2: A mixture of 2- alkynylbenzaldoximes 1 (0.3 mmol) and AgOTf (0.015 mmol, 5 mol %) in CH 2 Cl 2 (2 ml) was stirred at room temperature for 2 h, until 2-alkynylbenzaldoxime 1 was completely consumed. The solvent was removed under reduced pressure. Then, α,βunsaturated carbonyl compound 2 (1.5 mmol, 5.0 equiv) in DMF (1 ml) was added to the residue, and allowed to stir at 60 C overnight under a nitrogen atmosphere. After completion of the reaction as indicated by TLC, the reaction was quenched by water and extracted with ethyl acetate. The organic layers were dried with anhydrous MgSO 4, the solvent was evaporated under vacuum, and the residue was isolated by column chromatography with EtOAc/petroleum ether (1/5, v/v) as eluent to yield the desired products 3. General procedure for palladium-catalyzed alkenylation reaction (Scheme 3): A mixture of 2-alkynylbenzaldoximes 1a (0.3 mmol) and AgOTf (0.015 mmol, 5 mol %) in CH 2 Cl 2 (2 ml) was stirred at room temperature for 2 h, until 2- alkynylbenzaldoxime 1a was completely consumed. The solvent was removed under reduced pressure. Then, butyl acrylate (2e, 192 mg, 1.5 mmol, 5.0 equiv), and PdCl 2 (CH 3 CN) 2 (3.9 mg, 5 mol %) in NMP (1 ml) was added to the residue, and S2
3 allowed to stir at 110 C overnight under a nitrogen atmosphere. After completion of the reaction as indicated by TLC, the reaction was quenched by water and extracted with ethyl acetate. The organic layers were dried with anhydrous MgSO 4, the solvent was evaporated under vacuum, and the residue was isolated by column chromatography with EtOAc/petroleum ether (1/5, v/v) as eluent to yield the desired products 4. Methyl 2-hydroxy-2-methyl-3-(3-phenylisoquinolin-1-yl)propanoate 3a: yield: 98%; white solid; R f = 0.36; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.69 (s, 3H), 3.48 (d, J = 16.8 Hz, 1H), 3.62 (s, 3H), 4.12 (d, J = 17.2 Hz, 1H), 6.53 (br, 1H), 7.38 (t, J = 7.2 Hz, 1H), (m, 3H), 7.61 (t, J = 8.0 Hz, 1H), 7.77 (d, J = 8.0 Hz, 1H), 7.90 (s, 1H), (m, 3H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.8, 42.3, 52.3, 74.6, 115.7, 124.7, 126.3, 126.6, 127.4, 127.9, 128.8, 129.0, 130.7, 137.0, 138.7, 148.7, 158.3, 177.0; IR (KBr)υ/cm -1 : 3439, 2979, 2928, 1729, 1594, 1499; HRMS (ESI): m/z [M + H] + calcd for C 20 H 20 NO 3 : ; found: S3
4 Methyl 2-hydroxy-2-methyl-3-(3-p-tolylisoquinolin-1-yl)propanoate (3b): yield: 70%; gray solid; R f = 0.39; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.70 (s, 3H), 2.40 (s, 3H), 3.49 (d, J = 16.8 Hz, 1H), 3.63 (s, 3H), 4.13 (d, J =17.2 Hz, 1H), 6.60 (br, 1H), 7.29 (d, J = 8.0 Hz, 2H), 7.54 (t, J = 7.2 Hz, 1H), 7.65 (t, J = 7.2 Hz, 1H), 7.81 (d, J = 8.0 Hz, 1H), 7.92 (s, 1H), 7.97 (d, J = 8.0 Hz, 2H), 8.08 (d, J = 8.4 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 21.3, 26.8, 42.3, 52.3, 74.6, 115.2, 124.7, 126.2, 126.5, 127.2, 127.9, 129.7, 130.7, 135.9, 137.1, 138.8, 148.8, 158.2, 177.0; IR (KBr) υ/cm -1 : 3461, 2975, 2951, 1747, 1590, 1495; HRMS (ESI): m/z [M + H] + calcd for C 21 H 22 NO 3 : ; found: Butyl 2-hydroxy-2-methyl-3-(3-p-tolylisoquinolin-1-yl)propanoate (3c): yield: 81%; brown solid; R f = 0.50; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 0.64 (t, J = 7.2 Hz, 3H), (m, 2H), (m, 2H), 1.71 (s, 3H), 2.40 (s, 3H), 3.48 (d, J = 16.8 Hz, 1H), (m, 1H), (m, 1H), 4.14 (d, J = 16.4 Hz, 1H), 6.64 (br, 1H), 7.30 (d, J = 8.0 Hz, 2H), 7.53 (t, J = 7.2 Hz, 1H), 7.63 (t, J = 8.0 Hz, 1H), 7.79 (d, J = 8.0 Hz, 1H), 7.90 (s, 1H), 7.98 (d, J = 8.0 Hz, 2H), 8.08 (d, J = 8.0 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 13.4, 18.8, 21.3, 26.8, 30.5, 42.1, 64.8, 74.6, 115.2, 124.7, 126.1, 126.6, 127.1, 127.8, 129.6, 130.5, 136.0, 137.1, 138.6, 148.9, 158.4, 176.4; IR (KBr)υ/cm -1 : 3379, 2957, 2930, 1716, 1621, 1591; HRMS (ESI): m/z [M + H] + calcd for C 24 H 28 NO 3 : ; found: S4
5 Methyl 2-hydroxy-3-(3-p-tolylisoquinolin-1-yl)propanoate (3d): yield: 50%; brown solid; R f = 0.27; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 2.41 (s, 3H), 3.75 (s, 3H), (m, 2H), 4.95 (t, J = 4.8 Hz, 1H), 5.78 (br, 1H), 7.30 (d, J = 8.0 Hz, 2H), 7.56 (t, J = 7.6 Hz, 1H), 7.67 (t, J = 8.0 Hz, 1H), 7.83 (d, J = 8.0 Hz, 1H), 7.93 (s, 1H), 7.97 (d, J = 8.0 Hz, 2H), 8.07 (d, J = 8.4 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 21.3, 36.4, 52.3, 69.9, 115.4, 124.7, 126.2, 126.6, 127.2, 127.8, 129.7, 130.6, 136.1, 137.2, 138.7, 149.1, 157.9, 174.2; IR (KBr)υ/cm -1 : 3400, 2952, 2915, 1715, 1590, 1516; HRMS (ESI): m/z [M + H] + calcd for C 20 H 20 NO 3 : ; found: Ethyl 2-hydroxy-3-(3-p-tolylisoquinolin-1-yl)propanoate (3e): yield: 61%; brown solid; R f = 0.33; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.20 (t, J = 7.2 Hz, 3H), 2.43 (s, 3H), (m, 2H), 4.21 (q, J = 7.2 Hz, 2H), 4.94 (t, J = 4.8 Hz, 1H), 5.78 (br, 1H), 7.31 (d, J = 8.0 Hz, 2H), 7.58 (t, J = 7.6 Hz, 1H), 7.69 (t, J = 8.0 Hz, 1H), 7.85 (d, J = 8.0 Hz, 1H), 7.95 (s, 1H), 7.99 (d, J = 8.0 Hz, 2H), 8.11 (d, J = 8.0 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 14.1, 21.3, 36.4, 61.3, 70.1, 115.4, 124.7, 126.2, 126.7, 127.2, 127.8, 129.6, 130.6, 136.1, 137.2, 138.7, 149.1, 157.9, 173.8; IR (KBr)υ/cm -1 : 3410, 2941, 2915, 1708, 1653, 1568; HRMS (ESI): m/z [M + H] + calcd for C 21 H 22 NO 3 : ; found: S5
6 Butyl 2-hydroxy-3-(3-p-tolylisoquinolin-1-yl)propanoate (3f): yield: 98%; yellow solid; R f = 0.34; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 0.77 (t, J = 7.2 Hz, 3H), (m, 2H), (m, 2H), 2.42 (s, 3H), (m, 2H), (m, 2H), 4.93 (t, J = 4.8 Hz, 1H), 5.83 (br, 1H), 7.31 (d, J = 8.0 Hz, 2H), 7.57 (t, J = 7.2 Hz, 1H), 7.68 (t, J = 7.2 Hz, 1H), 7.85 (d, J = 8.4 Hz, 1H), 7.94 (s, 1H), 7.98 (d, J = 8.0 Hz, 2H), 8.10 (d, J = 8.0 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 13.6, 19.0, 21.3, 30.6, 36.5, 65.1, 70.1, 115.4, 124.8, 126.2, 126.7, 127.2, 127.9, 129.6, 130.6, 137.2, 138.7, 149.2, 158.0, 173.9; IR (KBr)υ/cm -1 : 3406, 2959, 2927, 1716, 1591, 1517; HRMS (ESI): m/z [M + H] + calcd for C 23 H 26 NO 3 : ; found: tert-butyl 2-hydroxy-3-(3-p-tolylisoquinolin-1-yl)propanoate (3g): yield: 80%; yellow oil; R f = 0.38; 1 H NMR (400 MHz, CDCl 3 ) δ 1.31 (s, 9H), 2.41 (s, 3H), 3.75 (dd, J = 4.0, 16.8 Hz, 1H), 3.88 (dd, J = 5.6, 16.8 Hz, 1H), 4.81 (t, J = 4.8 Hz, 1H), 5.58 (br, 1H), 7.30 (d, J = 8.0 Hz, 2H), 7.55 (t, J = 7.2 Hz, 1H), 7.66 (t, J = 8.0 Hz, 1H), 7.83 (d, J = 8.0 Hz, 1H), 7.92 (s, 1H), 8.00 (d, J = 8.0 Hz, 2H), 8.09 (d, J = 8.0 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 21.3, 27.8, 36.7, 70.4, 81.5, 115.2, 124.8, 126.2, 126.7, 127.1, 127.8, 129.6, 130.5, 136.1, 137.1, 138.6, 149.2, 158.2, 173.0; IR (KBr) υ/cm -1 : 3445, 2976, 2924, 1731, 1623, 1570; HRMS (ESI): m/z [M + H] + calcd for C 23 H 26 NO 3 : ; found: S6
7 3-Hydroxy-4-(3-(p-tolyl)isoquinolin-1-yl)butan-2-one (3h): yield: 40%; yellow solid; R f = 0.33; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 2.41 (s, 3H), 2.42 (s, 3H), 3.71 (dd, J = 6.4, 16.4 Hz, 1H), 3.88 (dd, J = 3.2, 16.8 Hz, 1H), 4.73 (dd, J = 3.6, 6.4 Hz, 1H), 5.88 (br, 1H), 7.31 (t, J = 7.6 Hz, 2H), 7.56 (t, J = 7.6 Hz, 2H), 7.67 (t, J = 7.6 Hz, 1H), 7.83 (t, J = 8.4 Hz, 1H), 7.88 (d, J = 7.6 Hz, 1H), 7.91 (s, 1H), 8.12 (d, J = 8.0 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 21.2, 26.4, 35.7, 76.4, 115.7, 124.9, 126.3, 126.7, 127.2, 127.8, 129.6, 130.6, 136.2, 137.1, 138.7, 149.2, 158.2, 211.4; IR (KBr)υ/cm -1 : 3454, 3000, 2921, 1704, 1590, 1516; HRMS (ESI): m/z [M + H] + calcd for C 20 H 20 NO 2 : ; found: Methyl 2-hydroxy-3-(3-(4-methoxyphenyl)isoquinolin-1-yl)-2-methylpropanoate (3j): yield: 75%; yellow solid; R f = 0.29; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.69 (s, 3H), 3.49 (d, J = 16.8 Hz, 1H), 3.62 (s, 3H), 3.84 (s, 3H), 4.12 (d, J = 16.8 Hz, 1H), 6.57 (br, 1H), 7.01 (d, J = 8.8 Hz, 2H), 7.51 (t, J = 7.2 Hz, 3H), 7.62 (t, J = 7.2 Hz, 1H), 7.77 (d, J = 8.0 Hz, 1H), 7.84 (s, 1H), 8.02 (d, J = 8.8 Hz, 2H), 8.05 (d, J = 8.8 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.8, 42.3, 52.4, 55.4, 74.5, 114.3, 114.5, 124.7, 125.9, 127.0, 127.7, 127.9, 130.6, 131.3, 137.2, 148.5, 158.1, 160.2, 177.1; IR (KBr)υ/cm -1 : 3390, 2947, 2930, 1748, 1606, 1518; HRMS (ESI): m/z [M + H] + calcd for C 21 H 22 NO 4 : ; found: S7
8 Methyl 3-(3-(4-fluorophenyl)isoquinolin-1-yl)-2-hydroxy-2-methylpropanoate (3k): yield: 48%; white solid; R f = 0.31; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.70 (s, 3H), 3.53 (d, J = 16.8 Hz, 1H), 3.62 (s, 3H), 4.12 (d, J = 16.8 Hz, 1H), 6.34 (br, 1H), 7.17 (t, J = 8.4 Hz, 2H), 7.58 (t, J = 8.0 Hz, 1H), 7.68 (t, J = 8.0 Hz, 1H), 7.83 (d, J = 8.4 Hz, 1H), 7.89 (s, 1H), 8.04 (dd, J = 5.6, 8.4 Hz, 2H), 8.09 (d, J = 8.4 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.8, 42.4, 52.3, 74.5, 115.4, (d, 2 J C-F = 22 Hz), 124.8, 126.2, 127.5, 127.8, (d, 2 J C-F = 8 Hz), 130.8, 134.9, 137.1, 147.8, 158.3, (d, 1 J C-F = 247 Hz), 176.9; IR (KBr)υ/cm -1 : 3373, 2986, 2979, 1727, 1601, 1587; HRMS (ESI): m/z [M + H] + calcd for C 20 H 19 FNO 3 : ; found: Methyl 3-(3-(3-fluorophenyl)isoquinolin-1-yl)-2-hydroxy-2-methylpropanoate (3l): yield: 83%; yellow solid; R f = 0.36; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.70 (s, 3H), 3.53 (d, J = 16.8 Hz, 1H), 3.67 (s, 3H), 4.13 (d, J = 16.8 Hz, 1H), 6.16 (br, 1H), 7.07 (dt, J = 2.0, 8.0 Hz, 1H), (m, 1H), 7.57 (t, J = 7.6 Hz, 1H), 7.67 (t, J = 8.0 Hz, 1H), (m, 1H), 7.82 (t, J = 8.0 Hz, 2H), 7.91 (s, 1H), 8.08 (d, J = 8.4 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.8, 42.6, 52.4, 74.5, (d, 2 J C-F = 23 Hz), (d, 2 J C-F = 21 Hz), 116.1, 122.1, 124.8, 126.5, 127.7, 127.9, (d, 3 J C-F = 8 Hz), 130.9, 136.9, (d, 3 J C-F = 7 Hz), 147.4, 158.4, (d, 1 J C-F = 244 Hz), 177.0; IR (KBr)υ/cm -1 : 3452, 2949, 2933, 1728, 1567, 1428; HRMS (ESI): m/z [M + H] + calcd for C 20 H 19 FNO 3 : ; found: S8
9 tert-butyl 3-(3-(3-fluorophenyl)isoquinolin-1-yl)-2-hydroxypropanoate (3m): yield: 70%; brown solid; R f = 0.34; mp: C; (syn + anti) 1 H NMR (400 MHz, CDCl 3 ) δ 1.32 (s, 7.2 H), 1.41 (s, 1.8 H), 3.78 (dd, J = 4.0, 16.4 Hz, 0.8 H), 3.88 (dd, J = 4.0, 16.4 Hz, 0.8 H), 4.30 (br, 0.2 H), 4.39 (dd, J = 4.8, 10.8 Hz, 0.2 H), 4.51 (dd, J = 4.8, 10.8 Hz, 0.2 H), 5.05 (br, 1H), 7.08 (dt, J = 1.2, 8.0 Hz, 1H), (m, 1H), 7.60 (t, J = 7.6 Hz, 1H), 7.69 (t, J = 8.0 Hz, 1H), (m, 3H), 7.94 (s, 0.8H), 7.98 (s, 0.2H), 8.07 (d, J = 8.8 Hz, 0.2H), 8.12 (d, J = 8.0 Hz, 0.8H); 13 C NMR (100 MHz, CDCl 3 ) (anti) δ 27.8, 37.1, 70.2, 81.8, (d, 2 J C-F = 23 Hz), (d, 2 J C-F = 21 Hz), 116.0, 122.4, 124.9, 126.7, 127.6, 127.9, (d, 3 J C-F = 8 Hz), 130.6, 136.9, (d, 3 J C-F = 8 Hz), 147.8, 158.3, (d, 1 J C-F = 243 Hz), 173.1; IR (KBr)υ /cm -1 : 3443, 2978, 2931, 1720, 1619, 1500; HRMS (ESI): m/z [M + H] + calcd for C 22 H 23 FNO 3 : ; found: Methyl 3-(3-cyclopropylisoquinolin-1-yl)-2-hydroxy-2-methylpropanoate (3n): yield: 80%; brown oil; R f = 0.34; 1 H NMR (400 MHz, CDCl 3 ) δ (m, 4H), 1.62 (s, 3H), (m, 1H), 3.37 (d, J = 16.8 Hz, 1H), 3.63 (s, 3H), 4.00 (d, J = 16.8 Hz, 1H), 6.50 (br, 1H), 7.40 (s, 1H), 7.48 (t, J = 7.6 Hz, 1H), 7.62 ( t, J = 8.0 Hz, 1H), 7.69 (d, J = 8.0 Hz, 1H), 8.02 (d, J = 8.8 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 9.0, 9.3, 16.7, 26.7, 41.6, 52.2, 74.6, 116.4, 124.7, 125.5, 126.2, 126.7, 130.4, 136.8, 153.7, 158.2, 176.8; IR (KBr)υ/cm -1 : 3397, 3002, 2951, 1747, 1592, 1498, 1404; HRMS (ESI): m/z [M + H] + calcd for C 17 H 20 NO 3 : ; found: S9
10 Methyl 3-(3-butylisoquinolin-1-yl)-2-hydroxy-2-methylpropanoate (3o): yield: 35%; brown oil; R f = 0.50; 1 H NMR (400 MHz, CDCl 3 ) δ 0.95 (t, J = 7.6 Hz, 3H), (m, 2H), 1.64 (s, 3H), (m, 2H), (m, 2H), 3.39 (d, J = 16.4 Hz, 1H), 3.61 (s, 3H), 4.05 (d, J = 16.4 Hz, 1H), 6.88 (br, 1H), 7.33 (s, 1H), 7.53 (t, J = 7.6 Hz, 1H), 7.63 (t, J = 7.2 Hz, 1H), 7.72 (d, J = 8.0 Hz, 1H), 8.06 (d, J = 8.4 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 13.9, 22.3, 26.7, 31.6, 37.3, 41.5, 52.1, 74.8, 117.4, 124.7, 125.6, 126.5, 127.0, 130.3, 137.0, 153.2, 158.1, 176.8; IR (KBr)υ/cm -1 : 3418, 2955, 2871, 1747, 1625, 1499; HRMS (ESI): m/z [M + H] + calcd for C 18 H 24 NO 3 : ; found: Methyl 2-hydroxy-2-methyl-3-(3-(trimethylsilyl)isoquinolin-1-yl)propanoate (3p): yield: 12%; brown solid; R f = 0.26; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.65 (s, 3H), 3.43 (d, J = 16.4 Hz, 1H), 3.60 (s, 1H), 4.06 (d, J = 16.4 Hz, 1H), 6.58 (br, 1H), 7.54 (d, J = 5.6 Hz, 1H), 7.63 (t, J = 7.6 Hz, 1H), 7.70 (t, J = 7.6 Hz, 1H), 7.82 (d, J = 8.4 Hz, 1H), 8.14 (d, J = 8.4 Hz, 1H), 8.34 (d, J = 6.0 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.8, 41.8, 52.3, 74.8, 114.1, 119.9, 124.9, 127.4, 127.5, 130.4, 136.2, 140.5, 158.6, 176.8; IR (KBr)υ/cm -1 : 3439, 2925, 2854, 1702, 1619, 1459; HRMS (ESI): m/z [M + H] + calcd for C 14 H 16 NO 3 : ; found: Methyl 3-(6-fluoro-3-phenylisoquinolin-1-yl)-2-hydroxy-2-methylpropanoate (3q): yield: 80%; yellow solid; R f = 0.32; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ S10
11 1.69 (s, 3H), 3.49 (d, J = 16.8 Hz, 1H), 3.64 (s, 3H), 4.09 (d, J = 16.8 Hz, 1H), 6.35 (br, 1H), 7.31 (dt, J = 2.4, 8.8 Hz, 1H), 7.41 (t, J = 7.6 Hz, 2H), 7.49 (t, J = 7.6 Hz, 2H), 7.88 (s, 1H), 8.04 (d, J = 7.6 Hz, 1H), 8.12 (dd, J = 5.6, 8.8 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.3, 42.0, 51.9, 74.1, (d, 2 J C-F = 21 Hz), 114.7, (d, 2 J C-F = 25 Hz), 123.0, 126.2, (d, 3 J C-F = 9 Hz), 127.5, 128.4, 128.5, 137.8, (d, 3 J C-F = 10 Hz), 149.3, 157.7, (d, 1 J C-F = 252 Hz), 176.4; IR (KBr)υ/cm -1 : 3423, 2990, 2953, 1708, 1602, 1521; HRMS (ESI): m/z [M + H] + calcd for C 20 H 19 FNO 3 : ; found: Butyl 3-(6-fluoro-3-phenylisoquinolin-1-yl)-2-hydroxypropanoate (3r): yield: 72%; yellow oil; R f = 0.31; (syn + anti) 1 H NMR (400 MHz, CDCl 3 ) δ 0.78 (t, J = 7.2 Hz, 3H), (m, 2H), (m, 2H), (m, 2H), (m, 2H), (m, 0.8H), 4.55 (dd, J = 4.4, 10.4 Hz, 0.4H), 4.71 (t, J = 4.0 Hz, 0.4H), 4.90 (t, J = 4.4 Hz, 0.6H), 5.44 (br, 0.6H), 7.31 (t, J = 8.4 Hz, 1H), (m, 4H), 7.87 (s, 0.6H), 7.93 (s, 0.4H), 8.05 (d, J = 7.2 Hz, 2H), 8.10 (dd, J = 5.2, 9.2 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ anti: 18.9, 30.5, 36.7, 63.3, 65.2, 69.9, (d, 2 J C-F = 20 Hz), (d, 4 J C-F = 4 Hz), 117.4, 117.7, 123.5, 126.9, (d, 3 J C-F = 10 Hz), 128.9, 138.5, (d, 3 J C-F = 10 Hz), 150.2, 158.0, (d, 1 J C-F = 251 Hz), 173.9; Syn: 18.9, 30.5, 51.2, 63.3, 65.2, 69.9, (d, 2 J C-F = 20 Hz), (d, 4 J C-F = 4 Hz), 117.7, 117.9, 123.6, 126.8, (d, 3 J C-F = 9 Hz), 129.0, 138.5, (d, 3 J C-F = 10 Hz), 150.3, 156.8, (d, 1 J C-F = 251 Hz), 171.2; IR (KBr)υ/cm -1 : 3454, 2959, 2932, 1738, 1503, 1455; HRMS (ESI): m/z [M + H] + calcd for C 22 H 23 FNO 3 : ; found: S11
12 tert-butyl 3-(6-fluoro-3-phenylisoquinolin-1-yl)-2-hydroxypropanoate (3s): yield: 71%; yellow oil; R f = 0.34; (syn + anti) 1 H NMR (400 MHz, CDCl 3 ) δ 1.31 (s, 6.3H), 1.40 (s, 2.7H), 3.68 (s, 0.3H), 3.73 (dd, J = 4.0, 16.4 Hz, 0.7H), 3.85 (dd, J = 5.6, 16.4 Hz, 0.7H), 4.40 (dd, J = 4.8, 10.8 Hz, 0.3 H), 4.53 (dd, J = 4.8, 10.8 Hz, 0.3 H), 4.62 (t, J = 4.0 Hz, 0.3H), 4.80 (t, J = 4.4 Hz, 0.7H), 5.25 (br, 0.7H), 7.34 (t, J = 8.8 Hz, 1H), (m, 4H), 7.89 (s, 0.7H), 7.94 (s, 0.3H), (m, 3H); 13 C NMR (100 MHz, CDCl 3 ) δ 27.9, 37.1, 70.3, 81.9, (d, 2 J C-F = 20 Hz), (d, 4 J C-F = 5 Hz), (d, 2 J C-F = 21 Hz), 123.6, 127.0, (d, 3 J C-F = 10 Hz), 128.9, 138.6, (d, 3 J C-F = 10 Hz), 150.2, 158.2, (d, 1 J C-F = 251 Hz), 172.9; IR (KBr)υ /cm -1 : 3444, 2924, 2853, 1730, 1573, 1504; HRMS (ESI): m/z [M + H] + calcd for C 22 H 23 FNO 3 : ; found: Methyl 3-(7-fluoro-3-phenylisoquinolin-1-yl)-2-hydroxy-2-methylpropanoate (3t): yield: 85%; yellow solid; R f = 0.34; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 1.70 (s, 3H), 3.44 (d, J = 16.8 Hz, 1H), 3.64 (s, 3H), 4.03 (d, J = 16.8 Hz, 1H), 6.30 (br, 1H), (m, 4H), 7.67 (dd, J = 2.4, 9.6 Hz, 1H), 7.81 (dd, J = 5.6, 8.8 Hz, 1H), 7.91 (s, 1H), 8.03 (d, J = 7.2 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 26.8, 42.5, 52.4, 74.5, (d, 2 J C-F = 21 Hz), 115.3, (d, 2 J C-F = 24 Hz), 126.5, (d, 3 J C-F = 8 Hz), 126.9, 128.8, 128.9, (d, 3 J C-F = 9 Hz), 134.1, 138.4, 148.5, (d, 4 J C-F = 6 Hz), (d, 1 J C-F = 248 Hz), 176.9; IR (KBr)υ/cm -1 : 3406, 2998, 2958, 1747, 1595, 1507; HRMS (ESI): m/z [M + H] + calcd for C 20 H 19 FNO 3 : ; found: S12
13 (E)-Butyl 3-(3-phenylisoquinolin-1-yl)-acrylate (4): yield: 65%; yellow solid; R f = 0.75; mp: C; 1 H NMR (400 MHz, CDCl 3 ) δ 0.92 (t, J = 7.2 Hz, 3H), (m, 2H), (m, 2H), 4.22 (t, J = 6.4 Hz, 2H), 7.36 (t, J = 6.0 Hz, 2H), 7.51 (t, J = 7.2 Hz, 2H), 7.55 (t, J = 7.2 Hz, 1H), 7.63 (t, J = 7.2 Hz, 1H), 7.83 (d, J = 8.4 Hz, 1H), 8.04 (s,1h), 8.15 (d, J = 7.6 Hz, 1H), 8.26 (d, J = 8.4 Hz, 1H), 8.50 (d, J = 15.2 Hz, 1H); 13 C NMR (100 MHz, CDCl 3 ) δ 13.8,19.2, 30.9, 64.8, 117.8, 124.1, 125.2, 126.5, 127.0, 127.6, 127.8, 128.8, 130.3, 130.9, 132.4, 137.7, 138.3, 139.1, 150.3, 151.4, 167.1; IR (KBr) υ/cm -1 : 3472, 2959, 2931, 1717, 1661, 1573; HRMS (ESI): m/z [M + H] + calcd for C 22 H 22 NO 2 : ; found: S13
14 S14
15 S15
16 S16
17 S17
18 S18
19 S19
20 S20
21 S21
22 S22
23 S23
24 S24
25 S25
26 S26
27 S27
28 S28
29 S29
30 S30
31 S31
32 S32
33 S33
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