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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → HCID 89704860, compound

HRID 928944
Notes
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Reaction equation

HRID 928944 reaction equation
[F:1][C:2]1[C:7]2[N:8]=[CH:9][S:10][C:6]=2[CH:5]=[C:4]([C:11]([OH:13])=O)[C:3]=1[NH:14][C:15]1[CH:20]=[CH:19][C:18]([I:21])=[CH:17][C:16]=1[F:22].[CH:23]([O:25][CH2:26][CH2:27][O:28][NH2:29])=[CH2:24].C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.S1(CCCC1)(=O)=O>CN(C)C=O.ClCCCl.ClCCl.CN1C(=O)N(C)CCC1.CN(P(N(C)C)(N(C)C)=O)C.CS(C)=O.CCOCC>[F:1][C:2]1[C:7]2[N:8]=[CH:9][S:10][C:6]=2[CH:5]=[C:4]([C:11]([NH:29][O:28][CH2:27][CH2:26][O:25][CH:23]=[CH2:24])=[O:13])[C:3]=1[NH:14][C:15]1[CH:20]=[CH:19][C:18]([I:21])=[CH:17][C:16]=1[F:22]
ParticipantsProcedureSources & evidenceReaction notes

Participants

15

Reactant 7

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 31347SulfolaneHCID 757711-HydroxybenzotriazoleHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)
HCID 21867017
O-(2-(Vinyloxy)ethyl)hydroxylamine
HCID 89704822HCID 89704822, compound

Product 1

HCID 89704860HCID 89704860, compound

Reagents, catalysts & solvents 7

HCID 111,2-DichloroethaneSolventHCID 679Dimethyl SulfoxideSolventHCID 3283Diethyl EtherSolventHCID 6228DimethylformamideSolventHCID 6344DichloromethaneSolventHCID 12679HexamethylphosphoramideSolventHCID 816462(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl-Solvent

Procedure

4-Fluoro-5-((2-fluoro-4-iodophenyl)amino)benzo[d]thiazole-6-carboxylic acid can be reacted with O-(2-(vinyloxy)ethyl)hydroxylamine in the presence of coupling reagent (such as HOBt, EDCI, HATU, TBTU) at ambient temperature in appropriate solvent (include aliphatic and aromatic hydrocarbon (such as pentane, hexane, heptane, cyclohexane, petroleum ether, petrol, gasoline, benzene, toluene, xylene), aliphatic and aromatic halo-hydrocarbon (such as dichloromethane, 1,2-dichloroethane, chloroform, phenixin, chlorobenzene, o-dichlorobenzene), ether (such as diethyl ether, dibutyl ether, glycol dimethyl ether, 2-methoxyethyl ether, tetrahydrofuran, dioxane), ketone (such as acetone, methyl ethyl ketone, methyl isopropyl ketone, methyl isobutyl ketone), ester (such as ethyl acetate, methyl acetate), nitrile (such as acetonitrile, propiononitrile), amide (such as N,N-dimethylformamide, N,N-dimethylacetamide and N-methylpyrrolidin-2-one), DMSO, sulfolane, HMPA, DMPU, prefer dichloromethane, 1,2-dichloroethane and N,N-dimethylformamide) for some time (1-12 h, prefer 3-10 h). 4-Fluoro-5-((2-fluoro-4-iodophenyl)amino)-N-(2-(vinyloxy)ethoxy)benzo[d]thiazole-6-carboxamide is obtained after conventional workup.

Sources & evidence

ORD record
ord-101c8c4f8d3c475bbb0936eddb9a7e59
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09290468B2

Reaction notes

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