Description

(+)-Dibenzoyl-L-Tartaric Anhydride is a high-purity chiral resolving agent and key synthetic intermediate. This compound is essential for the optical resolution of racemic amines and amino alcohols, enabling the production of enantiomerically pure pharmaceuticals. It is a critical material for research and manufacturing in the pharmaceutical, fine chemical, and agrochemical industries, where precise stereochemistry is paramount for product efficacy and safety.

Application

• Chiral Resolution of Racemic Amines: As a classical resolving agent for separating enantiomers of pharmaceutical intermediates.
• Synthesis of Chiral Catalysts and Ligands: Used in the preparation of asymmetric catalysts for stereoselective reactions.
• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) requiring specific chirality.
• Analytical Chemistry Standard: Serves as a reference standard for chiral chromatography and method development.
• Fine Chemical Synthesis: Employed in the production of specialty chemicals with defined stereocenters.
• Agrochemical Research: Used in the development of enantiomerically pure pesticides and herbicides.

Basic Information

Product Name	(+)-Dibenzoyl-L-Tartaric Anhydride
CAS No.	64339-95-3
Molecular Formula	C18H12O7
Molecular Weight	340.28 g/mol
Synonyms	(+)-O,O'-Dibenzoyl-L-tartaric Anhydride; (2R,3R)-2,3-Bis(benzoyloxy)succinic Anhydride; L-(+)-Dibenzoyltartaric Anhydride; DBTA Anhydride; (2R,3R)-2,3-Di(benzoyloxy)butanedioic Anhydride; (R,R)-Dibenzoyl Tartaric Anhydride; Anhydride of L-(+)-Dibenzoyltartaric Acid
EINECS	Contact for details

Quality Control

Our (+)-Dibenzoyl-L-Tartaric Anhydride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assay and impurity profiling, to ensure it meets the stringent requirements for chiral resolution and synthesis. A Certificate of Analysis (COA) detailing specific results for identity, purity, and optical rotation is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]D20	+150° to +160° (c=1 in acetone)
Melting Point	160°C - 165°C
Loss on Drying	≤ 0.5%

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