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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2100697Generated: October 30, 2026

(1S)-(+)-Camphor-10-sulphonic acid → 1H-Inden-2-amine, 5-bromo-2,3-dihydro-, (2R)-

https://huagongshe.com/reaction/2100697

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(1S)-(+)-Camphor-10-sulphonic acidHCID 218580—
Reactant5-bromo-2,3-dihydro-1H-inden-2-amineHCID 11298795—
Product1H-Inden-2-amine, 5-bromo-2,3-dihydro-, (2R)-HCID 11275870—
Product(r)-5-bromo-2-aminoindan (1S)-(+)-10-camphorsulfonate saltHCID 86588388—

Reaction Steps

The title compound was prepared using a similar method to that described in Prashad et al, Adv. Synth. Catal. 2001, 343, No. 5, pp 461-472: ie by resolution of the free base form of racemic 5-bromo-2-aminoindan using (1S)-(+)-10-camphorsulphonic acid to obtain (R)-5-bromo-2-aminoindan (1S)-(+)-10-camphorsulfonate salt. The enantiomeric purity of (R)-5-bromo-2-aminoindan (1S)-(+)-10-camphorsulfonate salt was checked by HPLC using the following conditions:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07572819B2
Source datasetuspto-grants-2009_08
ORD IDord-abe542a99a754a6183b5f3a8dcb27d7d
Source noteuspto-grants-2009_08