Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1287423Generated: November 1, 2026

Diethyl (ethoxymethylene)malonate → HCID 21508899, compound

https://huagongshe.com/reaction/1287423

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl (ethoxymethylene)malonateHCID 6871—
Reactant6-Chloro-3-methyl-3,4-dihydro-2H-1,4-benzoxazineHCID 21508902—
ProductHCID 21508899HCID 21508899—

Reaction Steps

Using the method of Example 1, diethyl ethoxymethylene malonate is reacted with 6-chloro-3,4-dihydro-3-methyl-2H-1,4-benzoxazine and the product reacted with polyphosphoric acid to provide ethyl 8-chloro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate, m.p. 205°-206° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03984548
Source datasetuspto-grants-1976_10
ORD IDord-a0d1120385994c05a050016a4b37b888
Source noteuspto-grants-1976_10