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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2257745Generated: October 31, 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/2257745

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 numberUS05658917
Source datasetuspto-grants-1997_08
ORD IDord-0fe2d92c480c40cfb306463d950373d5
Source noteuspto-grants-1997_08