Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1007870Generated: October 31, 2026

5-Ethyl-5-hydroxy-1,4,5,8-tetrahydrooxepino[3,4-c]pyridine-3,9-dione → 5,12-diethyl-9-fluoro-5-hydroxy-10-methoxy-1,4,5,13-tetrahydro-3H,15H-oxepino[3',4':6,7]indolizino[1,2-b]quinoline-3,15-dione

https://huagongshe.com/reaction/1007870

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Ethyl-5-hydroxy-1,4,5,8-tetrahydrooxepino[3,4-c]pyridine-3,9-dioneHCID 10537047—
ReactantHCID 21891951HCID 21891951—
Product5,12-diethyl-9-fluoro-5-hydroxy-10-methoxy-1,4,5,13-tetrahydro-3H,15H-oxepino[3',4':6,7]indolizino[1,2-b]quinoline-3,15-dioneHCID 21891894—

Reaction Steps

(2-chloro-4-ethyl-7-fluoro-6-methoxy-3-quinolinyl)methanol is coupled with compound (M) as described in Stage 11.j. of Example 11. The resultant coupled product is cyclized according to the procedure described in Stage 11.k. A yellow solid is obtained, m.p. >275° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06797715B1
Source datasetuspto-grants-2004_09
ORD IDord-4b1dab22a53d4766a47629d25133322b
Source noteuspto-grants-2004_09