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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 55049Generated: October 29, 2026

Ethyl bromoacetate → 3-[1-(7-Ethoxycarbonylmethoxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,2,3,4-tetrahydro-1,6-dimethyl-2,4-dioxoquinazoline

https://huagongshe.com/reaction/55049

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl bromoacetateHCID 7748—
Reactant1,2,3,4-Tetrahydro-3-[1-(7-hydroxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,6-dimethyl-2,4-dioxo-quinazolineHCID 135847591—
Product3-[1-(7-Ethoxycarbonylmethoxy-6-methoxy-4-quinazolinyl)-4-piperidinyl]-1,2,3,4-tetrahydro-1,6-dimethyl-2,4-dioxoquinazolineHCID 2292343889%

Reaction Steps

The procedure similar to that described in Example 1 was repeated, except that 500.0 mg (1.12 mmol) of Compound 89 obtained in Example 79 was used in place of Compound 24 and ethyl bromoacetate was used in place of methyl iodide. As a result, 530.0 mg (yield: 89%) of Compound 93 was obtained as white crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05624926
Source datasetuspto-grants-1997_04
ORD IDord-c17b6dc3e19941f4860f12a1abbba2b8
Source noteuspto-grants-1997_04