Formamide → HCID 178435036, compound

Reaction equation

[NH2:1][C:2]1[S:3][C:4]([CH3:13])=[C:5]([CH3:12])[C:6]=1[C:7](OCC)=[O:8].[CH:14]([NH2:16])=O>>[OH:8][C:7]1[C:6]2[C:5]([CH3:12])=[C:4]([CH3:13])[S:3][C:2]=2[N:1]=[CH:14][N:16]=1

Participants

Reactant 2

HCID 713Formamide

HCID 78536Ethyl 2-amino-4,5-dimethyl3-thenoate

Product 1

HCID 178435036HCID 178435036, compound

Procedure

Using ethyl 2-amino-4,5-dimethylthiophene-3-carboxylate (500 mg, 2.5 mmol) and formamide (5 ml), a similar procedure to a) in Production Example 208 was carried out to obtain 4-hydroxy-5,6-dimethylthieno[2,3-d]pyrimidine (380 mg, 2.1 mmol) having the following physical properties:

Sources & evidence

ORD record: ord-46f90a519b5943e88f8d76ee4b2208df
Source dataset: uspto-grants-2004_03
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06703421B1

Reaction notes

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