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5.5 tert-Butyl. 6 Heptane. Toggle Heptane subsection. 6.1 Pentamethyl. 6.2 Ethyl+Trimethyl. ... 2,3-Dimethyl-4-(1-methylethyl)heptane; 2,4-Dimethyl-4-(1-methylethyl ...
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Firstly, 2,4-dimethyl-6-tert-butylphenol is reacted with formaldehyde and HCl (Blanc reaction) to generate a chloromethyl group in the less hindered meta position. This intermediate then reacts with cyanuric acid to give the desired product.
The effect of the tert-butyl group on the progress of a chemical reaction is called the Thorpe–Ingold effect illustrated in the Diels-Alder reaction below. Compared to a hydrogen substituent, the tert-butyl substituent accelerates the reaction rate by a factor of 240. [2] tert-Butyl effect. The tert-butyl effect is an example of steric hindrance.
This alkylation provides a means to separate 2,4-xylenol from 2,5-xylenol since 2,4-dimethyl-6-tert-butylphenol is insoluble in 10% NaOH but 2,5-dimethyl-6-tert-butylphenol is soluble. Subsequent to separation, the tert-butyl group can be removed in strong acid. [1]
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Tetra-tert-butylmethane is a hypothetical organic compound with formula C 17 H 36, consisting of four tert-butyl groups bonded to a central carbon atom. It would be an alkane , specifically the most compact branched isomer of heptadecane .