Adding a certain compound to certain chemical reactions, such as: 89794-02-5, name is 4-Bromo-2-chlorotoluene, belongs to chlorides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 89794-02-5, Product Details of 89794-02-5
Example P14: Preparation of 2-(4-bromo-2-chlorophenyl)-1-methyl-ethylamine (compound no. Z1.451): a) Preparation of 4-bromo-2-chloro-1-dibromomethyl-benzeneA mixture of 4-bromo-2-chlorotoluene (10 g, 48.6 mmol), N-bromosuccinimide (43.3 g, 243.3 mmol), benzoyl peroxide (0.5 g) and CCI4 (80 ml) was heated to reflux for 6 h. Completion of the reaction was confirmed by TLC. After cooling a yellow precipitate was isolated by filtration and washed with CCI4. The organic layer was concentrated and both the concentreated organic layer and the precipitate were purified by chromatography using silica column (60-120 mu mesh) and hexane as eluent. 17.5 g (98% of theory) of 4-bromo-2-chloro- 1-dibromomethyl-benzene was obtained. 1HNMR (400 MHz, CDCI3):- 7.02 delta (s, 1 H), 7.5 delta (dd, 2H), 7.87 delta (d,1H,CHBr2),
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Reference:
Patent; SYNGENTA PARTICIPATIONS AG; SYNGENTA LIMITED; WO2007/141009; (2007); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics