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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1848735Generated: October 30, 2026

Hexahydrophthalic anhydride, cis- → racemic cis-2-{6-[(5-Methylpyridin-2-yl)methoxy]-1-[3-methyl-4-(trifluoromethoxy)benzyl]-1H-benzimidazol-2-yl}cyclohexanecarboxylic acid

https://huagongshe.com/reaction/1848735

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHexahydrophthalic anhydride, cis-HCID 641660—
Reactant(3-Methyl-4-(trifluoromethoxy)phenyl)methanamineHCID 67508632—
Reactant2-((3-Fluoro-4-nitrophenoxy)methyl)-5-methylpyridineHCID 90411084—
ReactantN1-(3-methyl-4-(trifluoromethoxy)benzyl)-5-((5-methylpyridin-2-yl)methoxy)benzene-1,2-diamineHCID 131732439—
Productracemic cis-2-{6-[(5-Methylpyridin-2-yl)methoxy]-1-[3-methyl-4-(trifluoromethoxy)benzyl]-1H-benzimidazol-2-yl}cyclohexanecarboxylic acidHCID 86267658—

Reaction Steps

The title compound was prepared using analogous conditions described in Example 92 using (3-methyl-4-(trifluoromethoxy)phenyl)methanamine and 2-((3-fluoro-4-nitrophenoxy)methyl)-5-methylpyridine in Step B and N1-(3-methyl-4-(trifluoromethoxy)benzyl)-5-((5-methylpyridin-2-yl)methoxy)benzene-1,2-diamine and cis-hexahydroisobenzofuran-1,3-dione in Step D. MS (ESI): mass calcd. for C30H30F3N3O4, 553.22; m/z found, 554.0 [M+H]+. 1H NMR (300 MHz, DMSO-d6) δ 12.04 (s, 1H), 8.34 (d, J=1.9, 1H), 7.56 (dd, J=7.8, 2.0, 1H), 7.45 (d, J=8.7, 1H), 7.33 (d, J=7.9, 1H), 7.21-7.19 (m, 2H), 7.08-6.97 (m, 2H), 6.83 (dd, J=8.7, 2.3, 1H), 5.49-5.33 (m, 2H), 5.08 (s, 2H), 3.73-3.64 (m, 1H), 2.75-2.64 (m, 1H), 2.27 (s, 3H), 2.19 (s, 3H), 1.90-1.41 (m, 6H), 1.33 (s, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952177B2
Source datasetuspto-grants-2015_02
ORD IDord-b07a19d9a72b42238fa86d1a5f8d822e
Source noteuspto-grants-2015_02