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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 845932Generated: October 30, 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/845932

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 numberUS04760163
Source datasetuspto-grants-1988_07
ORD IDord-703f8799ae384d399e5197079e388918
Source noteuspto-grants-1988_07