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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2169145Generated: November 1, 2026

9-Benzyloxy-6-(2'-chloro-biphenyl-2-ylmethyl)-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione → 6-(2'-Chloro-biphenyl-2-ylmethyl)-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione

https://huagongshe.com/reaction/2169145

Reaction equation

Participants

RoleNameHCIDCharge
Reactant9-Benzyloxy-6-(2'-chloro-biphenyl-2-ylmethyl)-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 86725798—
Reactant6-biphenyl-2-ylmethyl-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 86725801—
Product6-(2'-Chloro-biphenyl-2-ylmethyl)-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dioneHCID 8672580261.2%

Reaction Steps

6-(2′-Chloro-biphenyl-2-ylmethyl)-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (12-02) (215 mg, 58.54%) was synthesized as an off-white solid from 9-benzyloxy-6-(2′-chloro-biphenyl-2-ylmethyl)-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (11-02) (400 mg, 0.887 mmol) following the procedure as described for 6-biphenyl-2-ylmethyl-9-hydroxy-2-methyl-3,4-dihydro-2H-pyrazino[1,2-c]pyrimidine-1,8-dione (12-01).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045486B2
Source datasetuspto-grants-2015_06
ORD IDord-c35615802e23480389736ca1a290a299
Source noteuspto-grants-2015_06