(+)-2,3‑Dibenzoyl‑D‑tartaric acid, anhydrous

(+)-2,3‑Dibenzoyl‑D‑tartaric acid, anhydrous

CAS Number: 2743‑38‑6

Synonyms: O, O′‑Dibenzoyl‑L‑tartaric acid

Chemical Formula:C₁₈H₁₄O₈

Product Introduction

(+)-2,3‑Dibenzoyl‑D‑tartaric acid is a chiral dibenzoate derivative of tartaric acid. It appears as a white to off‑white anhydrous powder and is widely used as a resolving agent and chiral building block in asymmetric synthesis.

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Physical & Chemical Properties

Property PEG 400 PEG 3350–4000
Appearance Off‑white powder
Purity ≥ 98 mol %
Melting Point ~152–155 °C
Solubility Soluble in methanol
Water Content ≤ 1 % (Karl Fischer)
Optical Rotation [α]₂₀ᴅ ≈ —115° to —116° (in ethanol)

Applications

  • Chiral resolution:For separating enantiomers of racemic mixtures.
  • Asymmetric synthesis:Used in pharmaceutical and fine chemical synthesis.
  • Analytical chemistry:Aids in stereochemical structure studies.
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