Acalacbrutinib intermediate 4-[(pyridine-2-yl) amino carbonyl] phenyl boronic acid

This compound is an intermediate, or precursor, in the multi-step chemical synthesis of acalabrutinib. Acalabrutinib is a kinase inhibitor used to treat mantle cell lymphoma and chronic lymphocytic leukemia.


CAS Number 850568-25-1
Chemical Name 4-(Pyridin-2-yl)aminocarbonylphenylboronic acid
Chemical Formula C12H11BN2O3
Molecular Weight 242.04 g/mol
SMILES O=C(C1=CC=C(B(O)O)C=C1)NC2=NC=CC=C2
Melting Point 124 – 128 °C
Density 1.33 g/cm³
Solubility Slightly soluble in water (≈ 1.8 g/L at 25 °C)
Packing Powder form: 25 Kg HEDP bag with 2 inner liners
(5-layer protected packaging)
Synonyms (4-(Pyridin-2-ylcarbamoyl)phenyl)boronic acid,
4-(Pyridin-2-yl-aminocarbonyl)benzeneboronic acid,
[4-[(Pyridin-2-yl)carbamoyl]phenyl]boronic acid,
4-(2-Pyridylcarbamoyl)benzeneboronic acid,
N-2-Pyridinyl 4-boronobenzamide
Uses Used as a key pharmaceutical intermediate in the synthesis of
anticancer drugs such as Acalabrutinib. As a boronic acid
derivative, it is also widely applied in drug discovery,
particularly for the development of kinase inhibitors and
related therapeutic molecules.

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