1-(2,2,2-Trifluoroacetamido)cyclopropane-1-carboxylic acid → HCID 124028469, compound
Reaction equation
[Br:1][C:2]1[CH:11]=[CH:10][C:5]2[CH:6]([NH2:9])[CH2:7][O:8][C:4]=2[CH:3]=1.[F:12][C:13]([F:24])([F:23])[C:14]([NH:16][C:17]1([C:20](O)=[O:21])[CH2:19][CH2:18]1)=[O:15]>>[Br:1][C:2]1[CH:11]=[CH:10][C:5]2[CH:6]([NH:9][C:20]([C:17]3([NH:16][C:14](=[O:15])[C:13]([F:12])([F:23])[F:24])[CH2:18][CH2:19]3)=[O:21])[CH2:7][O:8][C:4]=2[CH:3]=1Participants
3
Procedure
In analogy to the procedure described for the preparation of intermediate A-1 [B] and A-1 [C], (rac)-6-bromo-2,3-dihydro-benzofuran-3-ylamine has been coupled with 1-(2,2,2-trifluoroacetamido)cyclopropanecarboxylic acid (intermediate A-1 [A]) to give 1-(2,2,2-trifluoro-acetylamino)-cyclopropanecarboxylic acid ((rac)-6-bromo-2,3-dihydro-benzofuran-3-yl)-amide, which was subsequently reacted with 4,4,4′,4′,5,5,5′,5′-octamethyl-2,2′-bi(1,3,2-dioxaborolane) to yield the title compound as light brown solid. MS: 439.2 (M−H−).
Sources & evidence
- ORD record
- ord-a1bc0d751898412fb9bce0c545ece425
- Source dataset
- uspto-grants-2013_11
- Patent number
- US08592426B2
Reaction notes
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