(1) Bromination takes place less readily.

(2) This bromination was unambiguous.

(3) Bromination of 4-nitroaniline with hydrobromic Acid and hydrogen peroxide as brominating agent in dilute sulfuric acid was studied.

(4) METHODS: The target compound was prepared by the bromination and amination reaction.

(5) Tinidazole was synthesized from metronidazole by bromination, thiolation and oxidation with total yield of 44.6 %.

(6) Methods: The target compound was synthesized through bromination and thioetherification from 4 - methoxyacetophenone as a starting material.

(7) In presence of catalyst AICI_3, the complete bromination of biphenyl in excess bromine can be achieved easily, and the yield of 98% is obtained.

(8) METHODS The target compound was synthesized from vanillin followed by bromination, methoxylation and rearrangement oxidation.

(9) During baking, bromates are completely reduced to bromides with no bromination of flour constituents.

(10) Difenoconazole was prepared from 2, 4-dichloroacetophenone followed by etherification, bromination, ketal reaction and nucleophilic substitution.

(11) The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination. The method avoids the utilization of cancerogenic chloromethyl methyl ether.

(12) A new process was developed to synthesize 2 nitrobenzyl alcohol from 2 nitrotoluene by catalytic bromination.

(13) In this article, the content of the remaining monomer in polymethylmethacrylate was determined by gas chromatography with simplicity, convenience, quickness and accuracy via the bromination method.

(14) Analysis of the content of Phoxim and parathion-methyl by the TLC bromination on one thin-layer plate methods is introduced, simple accurate and doesn't need standard samples.

(15) The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 naphthoquinone by bromination, cyanation and O alkylation.

(16) In this paper, phthalide was chosen as raw material, and 5-Nitrophthalaldehydic Acid was prepared by nitration, bromination and hydrolysis.

(17) Bronopol was synthesized from nitromethane and formaldehyde by hydroxyalkylation and bromination in the presence of alkali.

(18) The influences of agent and orogenic agent on the degree of bromination the copolymers were investigated.

(19) Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation, cyclization and bromination with total yield of 61%.

(20) This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxymethoxybenzaldehyde through bromination.

(21) Method 1,3,5-trimethylbenzene was selected as the start material. The final product was obtained in five steps, including two steps bromination, cyanidation, methylation and N-alkylation.

(22) Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination with 40.6%overall yield.

(23) With acetophenone as staring material, hropirimine was synthesized by acylation, cyclization and bromination that total yield was 34.5%.

(24) Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination overall yield.

(25) The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

(26) Methyl cis - cinnamate was synthesized from ethyl trans - cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.

(27) METHODS Bropirimine was synthesized by 3 steps reaction of acylation, cyclization and bromination with ethyl acetoacetate as staring material.

(28) The synthesis of coenzyme Q0 started from p-Cresol by a sequence of reactions including bromination, methoxylation, hydroxy-methylation and oxidation.

(29) The tetrabromobisphenol a new kind of flame retardant is prepared bromination of bisphenol A.