33581-31-6

Basic information

• Product Name: Benzaldehyde, 4-bromo-, O-methyloxime
• CAS NO: 33581-31-6
• Molecular Formula: C8H8BrNO
• Molecular Weight: 214.062
• Mol File: 33581-31-6.mol
• Article Data: 6

Chemical Properties

• CAS DataBase Reference: Benzaldehyde, 4-bromo-, O-methyloxime(CAS DataBase Reference)
• NIST Chemistry Reference: Benzaldehyde, 4-bromo-, O-methyloxime(33581-31-6)
• EPA Substance Registry System: Benzaldehyde, 4-bromo-, O-methyloxime(33581-31-6)

Safety Data

• Hazardous Substances Data: 33581-31-6(Hazardous Substances Data)

Upstream product

• 593-56-6 N-methoxylamine hydrochloride 
• 1122-91-4 4-bromo-benzaldehyde 
• 25062-46-8 4-bromobenzaldehyde oxime 
• 74-88-4 methyl iodide 
• 916582-47-3 O-methyl-N-(4-bromobenzyl)hydroxylamine 

Downstream Products

• 916582-47-3 O-methyl-N-(4-bromobenzyl)hydroxylamine 
• 25062-46-8 4-bromobenzaldehyde Oxime 
• 593-56-6 N-methoxylamine hydrochloride 
• 5798-75-4 Ethyl 4-bromobenzoate 
• 619-42-1 4-methoxycarbonylphenyl bromide 
• 1222094-28-1 2-(4-bromo-phenyl)-quinazoline 

Relevant articles and documents

Preparation method O - alkyl substituted hydroxylamine salt

The invention relates to a preparation method of N - alkyl substituted hydroxylamine salt, and belongs to fine chemical engineering. Pesticide or bulk pharmaceutical chemicals technical field. The present invention reacts with the N - alkyl of the oxime with an inorganic salt of hydroxylamine to give N - alkyl-substituted hydroxylamine salt and oxime. The invention provides an efficient and environment-friendly method for preparing N - alkyl substituted hydroxylamine salt, and simultaneously, an N - alkyl substituted hydroxylamine salt is prepared, and the oxime can be re-prepared to form N - alkylate of oxime so as to realize the material circulation. No equivalent acid is used in the reaction process. Alkali neutralization, avoided the current method to use a large amount of acid, alkali and produce inorganic salt solid waste shortcoming, environmental protection more. The preparation method is mild in reaction condition, and the defects of high pollution and high energy consumption of the traditional process are overcome. In-flight R1 , R2 What is R is as claimed in the claims and the description.

Indium-assisted aluminium-based stereoselective allylation of prostereogenic α,α-disubstituted cycloalkanones and imines

The use of a catalytic amount of InCl3in combination with Al0for the allylation of a variety of prostereogenic α,α-disubstituted (hindered) cycloalkanones, 1,2-dione-based systems and various imino systems (CN functional groups) is reported. The stereoselective InCl3-catalyzed Al-based allylation of various 2-substituted-2-carbethoxycycloalkanones gave the corresponding products with moderate to excellent diastereoselectivity. The allylation and propargylation of imines including α-imino esters using a catalytic amount of InCl3in combination with Al0gave the corresponding allylated and propargylated compounds in moderate to good yields. If γ-substituted allylic halides were added to imino compounds, low to very good diastereoselectivity was obtained. The allylation of chiral N-tert-butylsulfinyl imine systems gave the corresponding products in moderate yields with good to excellent diastereoselectivity. This journal is

Palladium-catalyzed aerobic oxidation of amines

Pd-Catalyzed aerobic oxidation of different amines was systematically examined for the first time. A PdCl2/PPh3 system was successfully developed to catalyze the aerobic oxidation of several types of amines including Ar-CH2NHPh, Ar-CH2NHOMe, and Ar-CH2NHMs with high yields. Theoretical studies showed a remarkable difference in the energy barriers of β-hydride elimination between an alcohol and various amines.