Formamide → HCID 178435036, compound

Participants

Role	Name	HCID	Charge
Reactant	Formamide	HCID 713	—
Reactant	Ethyl 2-amino-4,5-dimethyl3-thenoate	HCID 78536	—
Product	HCID 178435036	HCID 178435036	—

Reaction Steps

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:

Provenance & Evidence

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