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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 17784Generated: October 26, 2026

Sodium Hydroxide → 3,3',5,5'-Tetramethylbenzidine

https://huagongshe.com/reaction/17784

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
Reactant4-Bromo-2,6-xylidineHCID 90549—
ReactantSodium FormateHCID 2723810—
CatalystHexadecyltrimethylammonium BromideHCID 5974—
CatalystPalladiumHCID 23938—
SolventWaterHCID 962—
Product3,3',5,5'-TetramethylbenzidineHCID 41206—

Reaction Steps

Compound 1a was prepared using the procedure described in P. Bamfield and P. M. Quan, Synthesis, 1978, 537 using 4-bromo-2,6-dimethylaniline (10.00 g, 50 mmol), CTAB (2.00 g, 5.5 mmol, 0.11 eq.), 5% palladium on charcoal (0.80 g, 50% paste), sodium hydroxide (21.1 ml, 8.0M, 0.169 mol) and sodium formate (2×3.40 g, 100 mmol, 2 eq.) in water (30 ml).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07741240B2
Source datasetuspto-grants-2010_06
ORD IDord-cc182d9d04484021af87c82eb45ec3f7
Source noteuspto-grants-2010_06