Ethyl orthoformate → HCID 78320802, compound

HRID 1775627Notes

Reaction equation

HRID 1775627 reaction equation
[C:1]1([N:7]2[C:12](=[O:13])[C:11]3[S:14][CH:15]=[C:16]([C:17]4[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=4)[C:10]=3[N:9]=[CH:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.N[C:24]1C(C2C=CC=CC=2)=CS[C:25]=1C(OC)=O.C(OCC)(OCC)OCC.C(C1C=CC(N)=CC=1)=C>C(O)(=O)C>[C:17]1([C:16]2[C:10]3[N:9]=[CH:8][N:7]([C:1]4[CH:6]=[CH:5][CH:4]=[C:3]([CH:24]=[CH2:25])[CH:2]=4)[C:12](=[O:13])[C:11]=3[S:14][CH:15]=2)[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1

Participants

6

Reactant 4

HCID 31214Ethyl orthoformateHCID 737004-AminostyreneHCID 2759782Methyl 3-amino-4-phenylthiophene-2-carboxylateHCID 783248653,7-Diphenylthieno[3,2-d]pyrimidin-4(3H)-one

Product 1

HCID 78320802HCID 78320802, compoundYield 11.5%

Reagents, catalysts & solvents 1

HCID 176Acetic AcidSolvent

Procedure

In the same manner as the synthesis of Compound 1, methyl 3-amino-4-phenylthiophene-2-carboxylate (50 mg, 0.21 mmol), triethyl orthoformate (0.47 ml), 4-vinylaniline (47.5 mg, 0.39 mmol), and acetic acid (0.06 ml) were used to give 8 mg (0.024 mmol, 11.5% yield) of the title compound.

Sources & evidence

ORD record
ord-b77d09a6c6744c9f85edbe161ca354a8
Source dataset
uspto-grants-2016_02
Patent number
US09260448B2

Reaction notes

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