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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2169592Generated: October 31, 2026

Methyl 4-oxobutyrate → HCID 86670134, compound

https://huagongshe.com/reaction/2169592

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 4-oxobutyrateHCID 83779—
Reactant(R)-2-chloro-5,6,6a,7,9,10-hexahydro-[1,4]oxazino[3,4-h]pteridineHCID 86670088—
CatalystTitanium TetrachlorideHCID 24193—
SolventDichloromethaneHCID 6344—
SolventSodiumHCID 5360545—
ProductHCID 86670134HCID 86670134—

Reaction Steps

The title compound was prepared in a manner similar to PREPARATION x63 using (R)-2-chloro-5,6,6a,7,9,10-hexahydro-[1,4]oxazino[3,4-h]pteridine (PREPARATION x2, 250 mg, 1.103 mmol), methyl 4-oxobutanoate (128 mg, 1.103 mmol), titanium(IV) chloride in CH2Cl2 (1M, 1.654 mL, 1.654 mmol) and sodium triacetoxyhydroborate (514 mg, 2.427 mmol) in CH2Cl2 (8 mL) (164 mg, 46%). ESI-MS m/z [M+H]+ calc'd for C14H19ClN4O3, 327.12; found 327.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045496B2
Source datasetuspto-grants-2015_06
ORD IDord-9c2187aef6cd4fc0ae4291effd5a931f
Source noteuspto-grants-2015_06