Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1494733Generated: October 30, 2026

1,8-Diazabicyclo(5.4.0)undec-7-ene → 10-(5-ethylamino-2-isoindolinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido [1,2,3-de][1,4]-benzoxazine-6-carboxylic acid

https://huagongshe.com/reaction/1494733

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
Reactant8,9-Difluoro-3-methyl-6-oxo-2,3-dihydro-6H-1-oxa-3a-aza-phenalene-5-carboxylic acidHCID 534278—
Reactant5-EthylaminoisoindolineHCID 14795863—
SolventDimethylformamideHCID 6228—
Product10-(5-ethylamino-2-isoindolinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido [1,2,3-de][1,4]-benzoxazine-6-carboxylic acidHCID 1516791751.3%

Reaction Steps

141 mg of 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido [1,2,3-de][1,4]-benzoxazine-6-carboxylic acid, 97 mg of 5-ethylaminoisoindoline, 152 mg of DBU, and 1.5 ml of anhydrous DMF were processed in the same manner as in Example 1 to produce 109 mg of the target compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05026856
Source datasetuspto-grants-1991_06
ORD IDord-e0db7fd5c3d14dd2877166a1b1826327
Source noteuspto-grants-1991_06