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ChemicalBook CAS DataBase List 5-Bromo-2-chloroisopropylbenzene
90350-28-0

5-Bromo-2-chloroisopropylbenzene synthesis

2synthesis methods
-

Yield:90350-28-0 72%

Reaction Conditions:

with hydrogen;platinum(IV) oxide in toluene;

Steps:

S12.C.c

A mixture of 4-bromo-1-chloro-2-isopropenylbenzene (357 mg, 1.54 mmol, 1 eq) and PtO2 (35 mg, 0.15 mmol, 0.1 eq) in 4 ml toluene was stirred under an atmosphere of hydrogen at RT overnight. The reaction mixture was then filtered through celite and the filtrate was evaporated to dryness to give the desired product (260 mg, 72%). 1H NMR (CDCl3, 300 MHz): 7.39 (d, J=2 Hz, 1H), 7.26-7.16 (m, 2H), 3.35 (sept, J=7 Hz, 1H), 1.23 (d, J=7 Hz, 6H).

References:

US2007/185058,2007,A1 Location in patent:Page/Page column 16