Compound Q&A
How is 9,9'-Spirobi[fluoren]-2-ylboronic acid (CAS: 236389-21-2) typically synthesized?
Answer
![9,9'-Spirobi[fluoren]-2-ylboronic acid](https://static.chemtradehub.com/structs/236/236389-21-2-85cc.webp "9,9'-Spirobi[fluoren]-2-ylboronic acid")
9,9'-Spirobi[fluoren]-2-ylboronic acid is synthesized via a multistep process involving the formation of a spiro fluorene via alkyne metathesis and subsequent boronation using pinacol borane. The reaction typically requires mild conditions and can achieve high yields with good selectivity.
About
CAS No
236389-21-2
English Name
9,9'-Spirobi[fluoren]-2-ylboronic acid
Molecular Formula
C25H17BO2
Molecular Weight
360.22 g/mol
SMILES
B(C1=CC2=C(C=C1)C3=CC=CC=C3C24C5=CC=CC=C5C6=CC=CC=C46)(O)O
InChIKey
WDDLHUWVLROJLA-UHFFFAOYSA-N
Last Updated: 2025-10-05 08:54
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![9,9'-Spirobi[fluoren]-2-ylboronic acid — East Asia Chemical Co., Ltd. Shandong](https://static.chemtradehub.com/suppliers/67cde87857537e5c8069af31/67cde87857537e5c8069af31-logo.webp){kind=logo}