Isopropanol hexane → HCID 58839415, compound

HRID 2219801Notes

Reaction equation

[CH2:1]([O:3][C:4](=[O:20])[C@@H:5]([OH:19])[CH2:6][C:7]([C:9]1[CH:18]=[CH:17][C:16]2[C:11](=CC=CC=2)[CH:10]=1)=[O:8])[CH3:2].[CH3:21]CCCCC.CC(O)C>>[CH2:1]([O:3][C:4](=[O:20])[C@@H:5]([OH:19])[CH:6]([CH3:21])[C:7](=[O:8])[C:9]1[CH:10]=[CH:11][CH:16]=[CH:17][CH:18]=1)[CH3:2]

Participants

Reactant 2

HCID 21585144Isopropanol hexane

HCID 58839403HCID 58839403, compound2×

Product 1

HCID 58839415HCID 58839415, compound

Procedure

1H NMR syn (CDCl3) δ=1.26 (t, 3H, J=7.0 Hz), 1.29 (d, 3H, J=7.0 Hz), 3.28 (br, (1H), 3.93 (dq, 1H, J=4.2, 7.0 Hz), 4.25 (q, 2H, J=7.0 Hz), 4.58 (d, 1H, J=4.2 Hz), 7.40-7.65 (m, 3H), 7.90-8.05 (m, 2H); anti (CDCl3) δ=1.20 (t, 3H, J=7.1 Hz), 1.36 (d, 3H, J=7.3 Hz), 3.61 (d, 1H, J=8.3 Hz), 3.98 (dq, 1H, J=4.6, 7.1 Hz), 4.10-4.25 (m, 2H), 4.39 (dd, 1H, J=4.6, 8.3 Hz), 7.40-7.65 (m, 3H); 13C NMR syn (CDCl3) δ=12.1, 14.0, 44.3, 61.9. 71.6, 128.4, 128.7, 133.3, 135.7, 173.1, 201.6; anti (CDCl3) δ=14.0, 14.1, 44.0, 61.5, 73.1, 128.3, 128.7, 133.4, 135.9, 173.1; IR (neat) syn 3480, 3063, 2978, 2936, 1734, 1678, 1596, 1579, 1449, 1369, 1217, 1133, 1062, 1023, 1001, 975, 952, 862, 794, 708; anti 3481, 3059, 2981, 2941, 1738, 1685, 1588, 1454, 1372, 1255, 1209, 1144, 1092, 1024, 973, 701 cm−1; HRMS (FAB); Exact mass calcd for C13H17O4 [M+H]+, 237.1127. Found 237.1118.; HPLC, Daicel Chiralcel AS+ADH+AD, hexane/iPrOH=4/1, flow rate=0.5 mL/min: tR=46.7 min (2S, 3S), tR=50.6 min (2R, 3R), tR=54.3 min (2S, 3R), tR=61.9 min (2R, 3S).

Sources & evidence

ORD record: ord-135e01bb7fa04ae089433bcb1720cc63
Source dataset: uspto-grants-2008_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07414145B2

Reaction notes

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