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Benzene, 1,3,5-trimethyl-2-(1-propynyl)-, also known as 1,3,5-trimethyl-2-(1-propynyl)benzene or 1,3,5-trimethyl-2-propargylbenzene, is an organic compound with the molecular formula C??H??. It is a derivative of benzene, featuring three methyl groups (CH?) attached to the 1st, 3rd, and 5th carbon atoms, and a propargyl group (C≡CH) attached to the 2nd carbon atom. Benzene, 1,3,5-trimethyl-2-(1-propynyl)- is characterized by its unique structure, which combines the aromatic properties of benzene with the reactivity of the propargyl group, making it a valuable intermediate in the synthesis of various organic compounds, particularly in the pharmaceutical and chemical industries.

2114-44-5

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2114-44-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2114-44-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,1 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2114-44:
(6*2)+(5*1)+(4*1)+(3*4)+(2*4)+(1*4)=45
45 % 10 = 5
So 2114-44-5 is a valid CAS Registry Number.

2114-44-5Relevant academic research and scientific papers

Palladium-catalyzed methylation of alkynyl C(sp)-H bonds with dimethyl sulfonium ylides

Liu, Yan-Yun,Yang, Xu-Heng,Huang, Xiao-Cheng,Wei, Wen-Ting,Song, Ren-Jie,Li, Jin-Heng

, p. 10421 - 10426 (2013/11/06)

A novel palladium-catalyzed methylation protocol for the synthesis of methyl-functionalized internal alkynes has been established. This methylation method is achieved through a C(sp)-C(sp3) bond formation process and represents a new synthetic application of sulfonium ylides.

Mesityl alkyne substituents for control of regiochemistry and reversibility in zirconocene couplings: New synthetic strategies for unsymmetricalzirconacyclopentadienes and conjugated polymers

Miller, Adam D.,Tannaci, John F.,Johnson, Samuel A.,Lee, Hyuk,McBee, Jennifer L.,Tilley, T. Don

experimental part, p. 4917 - 4927 (2009/09/30)

Reaction of 2 equivs of MesC≡CPh with Cp2Zr( η2-Me3SiC≡CSiMe3)(pyr) afforded the zircona-cyclopentadiene Cp2Zr[2,5-Ph2-3,4-Mes2C 4]. The regiochemistry of this isomer (ssss with

New Cyclopentadienones from Sterically Demanding Inner Acetylenes and Dicobalt-octacarbonyl

Dehmlow, Eckehard V.,Winterfeldt, Andreas

, p. 455 - 458 (2007/10/02)

Acetylenes carrying one bulky substituent can be transformed into symmetrically or asymmetrically substituted ccylopentadienones 2 or 3 when they are heated with Co2(CO)8 and carbon monoxide.Intramolecular cyclizations yielding compounds 5 are also possible. - Keywords: Alkyne-Carbon Monoxide Reaction, Metal Carbonyl Catalysis, Cyclopentadienones, Cycloalkanocyclopentadienones

EIN EINFACHES VERFAHREN ZUR ALKYLIERUNG VON ARYLALKINEN

Lissel, Manfred

, p. 1843 - 1844 (2007/10/02)

Arylalkynes are alkylated in a rapid reaction and under mild conditions by alkyl iodides in the presence of powdered KOH and 18-crown-6

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