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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79643Generated: October 23, 2026

2,7-Dibromofluorene → 2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluorene

https://huagongshe.com/en/reaction/79643

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,7-DibromofluoreneHCID 140073—
Reactant4,4,5,5-Tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,10-dihydro-phenanthren-2-yl]-[1,3,2]dioxaborolaneHCID 58789476—
Product2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluoreneHCID 21917268—

Reaction Steps

Followed the procedure used to prepare 4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,10-dihydro-phenanthren-2-yl]-[1,3,2]dioxaborolane, except that 2,7-dibromofluorene was used instead of 2,7-dibromo-9,10-dihydro-phenanthrene. 1H-NMR (300 MHz, CDCl3) δ 8.01 (s, 2H), 7.84 (s, 4H), 3.90 (s, 2H), 1.38 (s, 24H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841278B2
Source datasetuspto-grants-2014_09
ORD IDord-2319971e396e4dbeb309bce4181a9872
Source noteuspto-grants-2014_09