Triethylamine → HCID 59227494, compound
Reaction equation
[C:1]1([C:7]#[C:8][CH2:9][OH:10])[CH2:6][CH2:5][CH2:4][CH2:3][CH:2]=1.C(N(CC)CC)C.CN(C1C=CC=CN=1)C.[CH:27]([SiH:30]([CH:32]([CH3:34])[CH3:33])Cl)([CH3:29])[CH3:28]>>[C:1]1([C:7]#[C:8][CH2:9][O:10][SiH:30]([CH:32]([CH3:34])[CH3:33])[CH:27]([CH3:29])[CH3:28])[CH2:6][CH2:5][CH2:4][CH2:3][CH:2]=1Participants
Procedure
3-Cyclohexenylprop-2-yn-1-ol (61) (1.236 g, 12.86 mmol), triethylamine (1.30 g, 12.85 mmol), dimethylaminopyridine (0.152 g, 1.267 mmol) and diisopropylchlorosilane (1.918 g, 12.73 mmol) were used to yield compound 7e (1.680 g, 6.71 mmol, 52.7%) as a colorless, clear oily substance after purification by flash chromatography: Rf 0.85 (hexanes/Et2O, 4:1); 1H NMR (500 MHz, CDCl3) δ 6.08 (h, J=1.8 Hz, 1H, H-5), 4.48 (s, 2H, H-1), 4.20 (s, 2H, H-10), 1.98-2.17 (m, 4H, H6-9), 1.49-1.71 (m, 4H, H6-9), 0.96-1.12 (m, 14H, H-11, 12). 13C NMR (300 MHz, CDCl3) δ 134.8 (C-5), 120.3 (C-4), 87.1 (C-2/3), 84.4 (C-2/3), 54.3 (C-1), 29.0 (C6-9), 25.6 (C6-9), 22.2 (C6-9), 21.5 (C6-9), 17.3 (C-12), 17.2 (C-12), 12.3 (C-11); HRMS calcd for C15H26NaOSi (M+Na)+ 273.1651. found 273.1639.
Sources & evidence
- ORD record
- ord-edb2cd877aca47308c21e64bbbb845b3
- Source dataset
- uspto-grants-2012_02
- Patent number
- US08110695B2
Reaction notes
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