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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1252909Generated: October 27, 2026

Dimethylformamide → isopropyl 2-chloro-4-fluoro-5-{1,2,5,7-tetrahydro-1-methyl-2,4-dioxo-thieno[3,4-d]pyrimidin-3(4H)-yl}-benzoate

https://huagongshe.com/reaction/1252909

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactantisopropyl 2-chloro-4-fluoro-5-{1,2,5,7-tetrahydro-2,4-dioxothieno[3,4-d]pyrimidin-3(4H)-yl}-benzoateHCID 20130635—
Productisopropyl 2-chloro-4-fluoro-5-{1,2,5,7-tetrahydro-1-methyl-2,4-dioxo-thieno[3,4-d]pyrimidin-3(4H)-yl}-benzoateHCID 20130580—

Reaction Steps

using isopropyl 2-chloro-4-fluoro-5-{1,2,5,7-tetrahydro-2,4-dioxo-thieno[3,4-d]pyrimidin-3(4H)-yl}-benzoate in dimethylformamide there is obtained isopropyl 2-chloro-4-fluoro-5-{1,2,5,7-tetrahydro-1-methyl-2,4-dioxo-thieno[3,4-d]pyrimidin-3(4H)-yl}-benzoate, 1H-NMR (CDCl3, 400 MHz) 7.82 ppm (d, 1H), 7.35 ppm (d, 1H), 5.23 ppm (m, 1H), 4.24 ppm (m, 2H), 4.09 ppm (m, 2H), 3.45 ppm (s, 3H), 1.36 ppm (d, 6H),

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04746352
Source datasetuspto-grants-1988_05
ORD IDord-0a0dacc0f0da45ac81a580cffdc62559
Source noteuspto-grants-1988_05