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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1690006Generated: November 3, 2026

Bromine → 5-bromo-7H-pyrrolo[2,3-d]pyrimidine

https://huagongshe.com/reaction/1690006

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
Reactant7H-Pyrrolo(2,3-d)pyrimidineHCID 261591—
SolventCarbon TetrachlorideHCID 5943—
SolventChloroformHCID 6212—
Product5-bromo-7H-pyrrolo[2,3-d]pyrimidineHCID 10798005—

Reaction Steps

5-Bromo-7H-pyrrolo[2,3-d]pyrimidine (7) is prepared by dissolving 7H-pyrrolo[2,3-d]pyrimidine (6) in chloroform and slowly adding Br2 in carbon tetrachloride at 0° C. After stirring for 1-2 hours, the reaction may be quenched in aqueous hydrochloric acid. Isolation by conventional means (e.g. extraction and silica gel chromatography) provides compound 7.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08153641B2
Source datasetuspto-grants-2012_04
ORD IDord-c6a5071c2b2b4dfdb6b0aecd93eb9fc4
Source noteuspto-grants-2012_04