Description

(11R,12R)-9,10-Dihydro-9,10-Ethanoanthracene-11,12-Diamine is a chiral diamine derivative of the ethanoanthracene scaffold, serving as a sophisticated building block in advanced organic synthesis. Its rigid, bridged structure and defined stereochemistry make it a valuable precursor for constructing complex molecular architectures, particularly in the development of chiral ligands, catalysts, and specialty polymers. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to incorporate stereodefined, polycyclic frameworks into their products.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially in central nervous system (CNS) and anti-cancer drug discovery.
• Chiral Ligand & Catalyst Synthesis: Serves as a precursor for creating enantioselective ligands and organocatalysts used in asymmetric synthesis.
• Advanced Material Monomer: Used in the polymerization of high-performance, rigid-rod polymers and liquid crystalline materials for specialty coatings and engineering plastics.
• Agrochemical Research: Intermediate in the development of new, stereospecific herbicides and plant growth regulators.
• Academic & R&D: A valuable tool compound for methodological development in organic chemistry and materials science research.
• Dye & Pigment Chemistry: Potential intermediate for synthesizing novel polycyclic aromatic dyes with specific optical properties.

Basic Information

Product Name	(11R,12R)-9,10-Dihydro-9,10-Ethanoanthracene-11,12-Diamine
CAS No.	181139-49-1
Molecular Formula	C₁₆H₁₆N₂
Molecular Weight	236.31 g/mol
Synonyms	(11R,12R)-9,10-Dihydro-9,10-[1,2]benzenoanthracene-11,12-diamine; (11R,12R)-9,10-Dihydro-9,10-ethanoanthracene-11,12-diamine; (11R,12R)-11,12-Diamino-9,10-dihydro-9,10-ethanoanthracene; (11R,12R)-11,12-Diamino-9,10-dihydro-9,10-[3,4]benzenoanthracene; (11R,12R)-Dihydroethanoanthracenediamine; (R,R)-Dihydroethanoanthracenediamine; Ethanoanthracenediamine, (11R,12R)-dihydro-
EINECS	Contact for details

Quality Control

Our (11R,12R)-9,10-Dihydro-9,10-Ethanoanthracene-11,12-Diamine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral HPLC for enantiomeric excess (ee) verification, to ensure high chemical and stereochemical purity suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This compound is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent degradation. For long-term storage, consider storage under an inert gas (e.g., nitrogen or argon).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.