2-Methoxyphenylboronic acid → HCID 178498921, compound

Reaction equation

[CH3:1][O:2][C:3]([C:5]1[C:6](=[O:17])[S:7][C:8]2[C:13]([C:14]=1[OH:15])=[CH:12][CH:11]=[C:10](Br)[CH:9]=2)=[O:4].[CH3:18][O:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=1B(O)O>>[CH3:1][O:2][C:3]([C:5]1[C:6](=[O:17])[S:7][C:8]2[C:13]([C:14]=1[OH:15])=[CH:12][CH:11]=[C:10]([C:21]1[CH:22]=[CH:23][CH:24]=[CH:25][C:20]=1[O:19][CH3:18])[CH:9]=2)=[O:4]

Participants

Reactant 2

HCID 27339582-Methoxyphenylboronic acid

HCID 178498916HCID 178498916, compound

Product 1

HCID 178498921HCID 178498921, compound

Procedure

4-Hydroxy-7-(2-methoxy-phenyl)-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester was prepared from 7-bromo-4-hydroxy-2-oxo-2H-thiochromene-3-carboxylic acid methyl ester (Example 5 e) and 2-methoxyphenylboronic acid under conditions analogous to Example 7(a). MS ESI(−) m/e: 341.07 (M−1).

Sources & evidence

ORD record: ord-1cbe044ef777458b9068a502bd8a3c58
Source dataset: uspto-grants-2015_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09149476B2

Reaction notes

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