Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 548469Generated: October 29, 2026

1,4-Dioxa-8-azaspiro(4.5)decane → 4-(1,4-Dioxa-8-aza-spiro[4.5]dec-8-yl)-but-2-enoic acid[4-(3-chloro-4-fluoro-phenylamino)-3-cyano-7-methoxy-quinolin-6-yl]-amide

https://huagongshe.com/reaction/548469

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-Dioxa-8-azaspiro(4.5)decaneHCID 67435—
Reactant6-Amino-4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinoline-3-carbonitrileHCID 11142436—
Product4-(1,4-Dioxa-8-aza-spiro[4.5]dec-8-yl)-but-2-enoic acid[4-(3-chloro-4-fluoro-phenylamino)-3-cyano-7-methoxy-quinolin-6-yl]-amideHCID 6720258873.4%

Reaction Steps

By using the method of Example 89, 1.05 g (3.06 mmol) of 6-amino-4-(3-chloro-4-fluoro-phenylamino)-7-methoxy-quinoline-3-carbonitrile and 2.6 g (18.4 mmol) of 1,4-dioxa-8-azaspiro[4.5]decane were converted to 0.62 g the title compound. The free base obtained as a yellow foam: mass spectrum (electrospray, m/e): M+H 552.0, (M+2H)+2270.5.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE042376E1
Source datasetuspto-grants-2011_05
ORD IDord-d41ce9cf5a3c430ea0d3234a16958579
Source noteuspto-grants-2011_05