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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1722968Generated: October 25, 2026

Dicyclohexylcarbodiimide → 2-chloro-5-[3,6-dihydro-2,6-dioxo-3-methyl-4-trifluoromethyl-1(2H)-pyrimidinyl]-4-fluorophenyl 2-chloroethyl succinate

https://huagongshe.com/reaction/1722968

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDicyclohexylcarbodiimideHCID 10868—
Reactant1-methyl-6-trifluoromethyl-3-(4-chloro-2-fluoro-5-hydroxyphenyl)-2,4(1H,3H)-pyrimidinedioneHCID 11267757—
ReactantMono (2-chloroethyl) succinateHCID 85549687—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDichloromethaneHCID 6344—
Product2-chloro-5-[3,6-dihydro-2,6-dioxo-3-methyl-4-trifluoromethyl-1(2H)-pyrimidinyl]-4-fluorophenyl 2-chloroethyl succinateHCID 53710020—

Reaction Steps

using 3-(4-chloro-2-fluoro-5-hydroxyphenyl)-1-methyl-6-trifluoromethyl-2,4(1H,3H)-pyrimidinedione and mono (2-chloroethyl) succinate with N,N'-dicyclohexylcarbodiimide and 4-dimethylaminopyridine as the catalyst in methylene chloride there is obtained 2-chloro-5-[3,6-dihydro-2,6-dioxo-3-methyl-4-trifluoromethyl-1(2H) -pyrimidinyl]-4-fluorophenyl 2-chloroethyl succinate. m.p. 94°-96° C.;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04859229
Source datasetuspto-grants-1989_08
ORD IDord-ac41d5f73fe1424faedc0240e5fcae4b
Source noteuspto-grants-1989_08