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(R)-(+)-1,1'-Bi(2-naphthylamine), 97%
(R)-(+)-1,1'-Bi(2-naphthylamine), 97%
(R)-(+)-1,1'-Bi(2-naphthylamine), 97%
Thermo Scientific Chemicals

(R)-(+)-1,1'-Bi(2-naphthylamine), 97%

CAS: 18741-85-0 | C20H16N2 | 284.36 g/mol
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Quantity:
250 mg
1 g
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Catalog number H25785.MD
also known as H25785-MD
Price (USD)
47.65
Special offer
Online exclusive
Ends: 30-Jun-2026
56.40
Save 8.75 (16%)
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Quantity:
250 mg
Request bulk or custom format
Price (USD)
47.65
Special offer
Online exclusive
Ends: 30-Jun-2026
56.40
Save 8.75 (16%)
Each
Chemical Identifiers
CAS18741-85-0
SpecificationsSpecification SheetSpecification Sheet
Appearance (Color)White to cream
Assay (Non-aqueous acid-base Titration)≥96.0 to ≤104.0%
Assay (HPLC)≥96.0%
Optical Rotation+152.5? ±3? (c=1, pyridine)
FormPowder
(R)-(+)-1,1'-Bi(2-naphthylamine) derivatives have been used for asymmetric hydrogenations, cyclopropanations and formation of chiral lactones. It can be used for the synthesis of sterically hindered binaphthalene-based monophosphane ligands.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
(R)-(+)-1,1′-Bi(2-naphthylamine) derivatives have been used for asymmetric hydrogenations, cyclopropanations and formation of chiral lactones. It can be used for the synthesis of sterically hindered binaphthalene-based monophosphane ligands.

Solubility
Slightly soluble in water.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible material is strong oxidizing agents.
RUO – Research Use Only

General References:

  1. Kurt Mislow; Paul Grasemann. Notes - Absolute Configuration of 1,1'-Bi-2-naphthylamine. J. Org. Chem. 1958, 23 (12), 2027-2028.
  2. Shane G. Telfer; Tomohiro Sato; Takunori Harada; Reiko Kuroda; Julie Lefebvre and Daniel B. Leznoff. Mono- and Dinuclear Complexes of Chiral Tri- and Tetradentate Schiff-Base Ligands Derived from 1,1‘-Binaphthyl-2,2‘-diamine. Inorg. Chem. 2004, 43 (20), 6168-6176.