Ethyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopropanecarboxylate → 1-{4'-[4-((R)-1-Phenyl-ethoxycarbonylamino)-oxazol-5-yl]-biphenyl-4-yl}-cyclopropanecarboxylic acid ethyl ester

HRID 919052Notes

Reaction equation

HRID 919052 reaction equation
[C:1]1([C@H:7]([O:9][C:10](=[O:24])[NH:11][C:12]2[N:13]=[CH:14][O:15][C:16]=2[C:17]2[CH:22]=[CH:21][C:20](Br)=[CH:19][CH:18]=2)[CH3:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH2:25]([O:27][C:28]([C:30]1([C:33]2[CH:38]=[CH:37][C:36](B3OC(C)(C)C(C)(C)O3)=[CH:35][CH:34]=2)[CH2:32][CH2:31]1)=[O:29])[CH3:26]>Cl[Pd]Cl.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2]>[CH2:25]([O:27][C:28]([C:30]1([C:33]2[CH:38]=[CH:37][C:36]([C:20]3[CH:21]=[CH:22][C:17]([C:16]4[O:15][CH:14]=[N:13][C:12]=4[NH:11][C:10]([O:9][C@@H:7]([C:1]4[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=4)[CH3:8])=[O:24])=[CH:18][CH:19]=3)=[CH:35][CH:34]=2)[CH2:31][CH2:32]1)=[O:29])[CH3:26]

Participants

4

Procedure

Prepared according to the procedure described in Example 1, Step 2, using the following starting materials: [5-(4-bromo-phenyl)-oxazol-4-yl]-carbamic acid (R)-1-phenyl-ethyl ester and 1-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-cyclopropanecarboxylic acid ethyl ester. Additionally, (1,1′-bis(diphenylphosphino)ferrocene)-dichloropalladium(II) was used as the catalyst.

Workup

  1. customPrepared

Sources & evidence

ORD record
ord-494dab91e900402b8698fcb5ecd665cd
Source dataset
uspto-grants-2016_03
Patent number
US09272990B2

Reaction notes

Loading…