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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1287422Generated: October 30, 2026

Diethyl (ethoxymethylene)malonate → HCID 21508898, compound

https://huagongshe.com/reaction/1287422

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl (ethoxymethylene)malonateHCID 6871—
ReactantHCID 21508901HCID 21508901—
ProductHCID 21508898HCID 21508898—

Reaction Steps

Using the method of Example 1 diethyl ethoxymethylene malonate is reacted with 3,4-dihydro-6-methoxy-3-methyl-2H-1,4-benzoxazine and the product reacted with polyphosphoric acid to provide ethyl 2,3-dihydro-8-methoxy-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate, m.p. 165°-168° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03984548
Source datasetuspto-grants-1976_10
ORD IDord-71f4a37569974de5b962a1830613876d
Source noteuspto-grants-1976_10