Cas 33675-43-3,1-(bromo-ethynyl)-3-methyl-benzene

33675-43-3

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Basic information

Product Name: 1-(bromo-ethynyl)-3-methyl-benzene
Synonyms: 1-(bromo-ethynyl)-3-methyl-benzene
CAS NO:33675-43-3
Molecular Formula:
Molecular Weight: 195.059
EINECS: N/A
Product Categories: N/A
Mol File: 33675-43-3.mol
Article Data: 27

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 1-(bromo-ethynyl)-3-methyl-benzene(CAS DataBase Reference)
NIST Chemistry Reference: 1-(bromo-ethynyl)-3-methyl-benzene(33675-43-3)
EPA Substance Registry System: 1-(bromo-ethynyl)-3-methyl-benzene(33675-43-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 33675-43-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 33675-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,7 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33675-43:
(7*3)+(6*3)+(5*6)+(4*7)+(3*5)+(2*4)+(1*3)=123
123 % 10 = 3
So 33675-43-3 is a valid CAS Registry Number.

33675-43-3Upstream product

33675-43-3Downstream Products

33675-43-3Relevant articles and documents

Visible-Light-Promoted Formation of C—C and C—P Bonds Derived from Evolution of Bromoalkynes under Additive-Free Conditions: Synthesis of 1,1-Dibromo-1-en-3-ynes and Alkynylphosphine Oxides

Xu, Hailong,Chen, Rui,Ruan, Hongjie,Ye, Ruyi,Meng, Ling-Guo

supporting information, p. 873 - 878 (2021/03/04)

The controllable achievement of C—C and C—P bond formations is developed via visible-light-promoted bromoalkyne dimerization or its further transformation with secondary phosphine oxides. The 1,1-dibromo-1-en-3-ynes are formed when bromoalkyne is exposed to visible-light. While alkynylphosphine oxides are generated when bromoalkynes are mixed with secondary phosphine oxides.

Palladium-Catalyzed Carbonylation in the Synthesis of N-Ynonylsulfoximines

Ma, Ding,Wang, Chenyang,Kong, Deshen,Tu, Yongliang,Shi, Peng,Bolm, Carsten

supporting information, p. 1330 - 1334 (2021/01/26)

Palladium-catalyzed carbonylation reactions with Cr(CO)6 as carbonyl source are key for the preparation of N-ynonylsulfoximines from NH-sulfoximines and bromoalkynes. The couplings proceed at room temperature with a wide range of substrate combinations affording the corresponding products in good yields. (Figure presented.).

Phenanthrenes/dihydrophenanthrenes: The selectivity controlled by different benzynes and allenes

Yao, Liangliang,Fang, Bo,Hu, Qiong,Lei, Yu,Bao, Li,Hu, Yimin

supporting information, p. 15185 - 15188 (2020/12/21)

A method for the intermolecular annulation of benzynes with allenes is disclosed. This protocol utilized allenes as an unconventional diene component for the selective synthesis of phenanthrenes and dihydrophenanthrenes under the control of different benzyne precursors, featuring high atom-economy and good functional group compatibility. Density functional theory (DFT) calculations reveal that different migratory routes of the aromatic C-H bond are crucial for the observed selectivity. This journal is

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