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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1742360Generated: November 1, 2026

Sodium Hydroxide → 4'[(2-butyl-3H-thieno-(2,3-d)-imidazol-3-yl)-methyl]-(1,1'-biphenyl)-2-carboxylic acid

https://huagongshe.com/reaction/1742360

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantMethyl 4'-[(2-butyl-3H-thieno-(2,3-d)-imidazol-3-yl)-methyl]-(1,1'-biphenyl)-2-carboxylateHCID 19370646—
SolventMethanolHCID 887—
Product4'[(2-butyl-3H-thieno-(2,3-d)-imidazol-3-yl)-methyl]-(1,1'-biphenyl)-2-carboxylic acidHCID 1937062966.3%

Reaction Steps

Using the procedure of Example 31, 250 mg of the product of Example 30 (isomer B) in 4 ml of methanol and then the addition of 0.3 ml of sodium hydroxide (10N) were reacted to obtain 160 mg of the expected product melting at 203° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05338756
Source datasetuspto-grants-1994_08
ORD IDord-2c492ad4a5c14a0ab546fca6393bf31e
Source noteuspto-grants-1994_08