Ethyl 4-allyloxy-3-methylbenzofuran-2-carboxylate → Ethyl E-3-(5-allyl-4-hydroxy-3-methylbenzofuran-2-yl)propenoate

HRID 978123Notes

Reaction equation

HRID 978123 reaction equation
C([O:4][C:5]1[C:10]2[C:11]([CH3:21])=[C:12](/[CH:14]=[CH:15]/[C:16]([O:18][CH2:19][CH3:20])=[O:17])[O:13][C:9]=2[CH:8]=[CH:7][CH:6]=1)C=C.C(O[C:25]([C:27]1OC2C=CC=C(OCC=C)C=2[C:31]=1C)=O)C>>[CH2:31]([C:6]1[CH:7]=[CH:8][C:9]2[O:13][C:12](/[CH:14]=[CH:15]/[C:16]([O:18][CH2:19][CH3:20])=[O:17])=[C:11]([CH3:21])[C:10]=2[C:5]=1[OH:4])[CH:27]=[CH2:25]

Participants

3

Reactant 2

HCID 13849488Ethyl 4-allyloxy-3-methylbenzofuran-2-carboxylateHCID 13849553Ethyl E-3-(4-allyloxy-3-methylbenzofuran-2-yl)propenoate

Product 1

HCID 13849554Ethyl E-3-(5-allyl-4-hydroxy-3-methylbenzofuran-2-yl)propenoate

Procedure

Following the procedure of Example 134 but substituting an equivalent amount of the title compound of Example 167 for ethyl-4-allyloxy-3-methylbenzofuran-2-carboxylate, there was obtained the title compound, m.p. 125°-127° C.

Sources & evidence

ORD record
ord-6bc393cf252d4b8b8705544b96438cde
Source dataset
uspto-grants-1987_05
Patent number
US04663347

Reaction notes

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