Triethylamine → tert-Butyl (2E)-3-{4-[cyclooctylidene(4-hydroxyphenyl)methyl]phenyl}prop-2-enoate

HRID 1716013Notes

Reaction equation

HRID 1716013 reaction equation
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[C:24]2[CH2:29][CH2:28]O[CH2:26][CH2:25]2)[C:9]2[CH:14]=[CH:13][C:12](/[CH:15]=[CH:16]/[C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])=[CH:11][CH:10]=2)=[CH:4][CH:3]=1.Br[C:31]1[CH:36]=CC(C(=C2CCCCCC2)C2C=CC(O)=CC=2)=C[CH:32]=1.C(OC(C)(C)C)(=O)C=C.CC1C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C.CCN(CC)CC>CC([O-])=O.CC([O-])=O.[Pd+2].CN(C=O)C>[C:24]1(=[C:8]([C:5]2[CH:4]=[CH:3][C:2]([OH:1])=[CH:7][CH:6]=2)[C:9]2[CH:14]=[CH:13][C:12](/[CH:15]=[CH:16]/[C:17]([O:19][C:20]([CH3:21])([CH3:23])[CH3:22])=[O:18])=[CH:11][CH:10]=2)[CH2:29][CH2:28][CH2:36][CH2:31][CH2:32][CH2:26][CH2:25]1

Participants

8

Reactant 5

HCID 8471TriethylamineHCID 15458tert-Butyl acrylateHCID 80271Tri-o-tolylphosphineHCID 686541254-[(4-Bromophenyl)(cycloheptylidene)methyl]phenolHCID 86613505tert-Butyl (2E)-3-{4-[(4-hydroxyphenyl)(tetrahydro-4H-pyran-4-ylidene)methyl]phenyl}prop-2-enoate

Product 1

HCID 86613506tert-Butyl (2E)-3-{4-[cyclooctylidene(4-hydroxyphenyl)methyl]phenyl}prop-2-enoateYield 49%

Reagents, catalysts & solvents 2

HCID 167845palladium(II) acetateCatalystHCID 6228DimethylformamideSolvent

Procedure

Following the procedure described for compound 47, 4-[(4-bromophenyl)cyclooctylidene)methyl]phenol (9) (0.105 g, 0.283 mmole), tert-butyl acrylate (0.084 mL, 0.573 mmole), P(o-tolyl)3 (0.0097 g, 0.0319 mmole), Et3N (0.125 mL, 0.897 mmole), Pd(OAc)2 (0.0042 g, 0.0187 mmole) and DMF (1.5 mL) yielded 0.059 g (49%) of compound 50 as a white solid. 1H NMR (CDCl3): δ 7.54 (d, J=15.9 Hz, 1H), 7.41 (d, J=8.2 Hz, 2H), 7.17 (d, J=8.2 Hz, 2H), 7.04 (d, J=8.4 Hz, 2H), 6.75 (d, J=8.4 Hz, 2H), 6.30 (d, J=15.9 Hz, 1H), 4.73 (s, 1H), 2.27 (m, 4H), 1.64 (m, 2H), 1.57 (m, 8H), 1.52 (s, 9H).

Sources & evidence

ORD record
ord-85676a89ed3d4ed0acc4afef2138011d
Source dataset
uspto-grants-2010_09
Patent number
US07799828B2

Reaction notes

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