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1,1,2-triphenyl-1H-indene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

872786-15-7

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872786-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872786-15-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,7,8 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 872786-15:
(8*8)+(7*7)+(6*2)+(5*7)+(4*8)+(3*6)+(2*1)+(1*5)=217
217 % 10 = 7
So 872786-15-7 is a valid CAS Registry Number.

872786-15-7Relevant academic research and scientific papers

Gold(i)-catalysed high-yielding synthesis of indenes by direct Csp3-H bond activation

Nahide, Pradip D.,Jiménez-Halla, J. Oscar C.,Wrobel, Katarzyna,Solorio-Alvarado, César R.,Ortiz Alvarado, Rafael,Yahuaca-Juárez, Berenice

, p. 7330 - 7335 (2018)

A catalytic, practical and high-yielding procedure for the synthesis of indenes by direct Csp3-H activation under gold(i) catalysis was developed. The scope of the protocol was determined by synthesizing some electron-neutral, electr

Intramolecular addition of triarylmethanes to alkynes promoted by KOtBu/DMF: A synthetic approach to indene derivatives

Chen, Yan-Yan,Chen, Zhen-Yu,Zhang, Niu-Niu,Chen, Jia-Hua,Zhang, Xue-Jing,Yan, Ming

, p. 599 - 606 (2016/02/19)

A method for the intramolecular addition of triarylmethanes to alkynes has been developed. The reaction was efficiently promoted by KOtBu/DMF without any transition-metal catalyst. A variety of indene derivatives were prepared in moderate to good yields. A cascade cyclization of 2-alkyl-substituted substrates at elevated reaction temperature gave bicyclic indene derivatives. The reaction is proposed to proceed through the generation of a triphenylmethyl radical. Indene derivatives were prepared by the intramolecular addition of triarylmethanes to alkynes promoted by KOtBu/DMF. A cascade cyclization of 2-alkyl-substituted substrates at elevated reaction temperature gave bicyclic indene derivatives. A free-radical reaction mechanism is proposed.

Modular synthesis of 1H-indenes, dihydro-s-indacene, and diindenoindacene - A carbon-bridged p-phenylenevinylene congener

Zhu, Xiaozhang,Mitsui, Chikahiko,Tsuji, Hayato,Nakamura, Eiichi

supporting information; experimental part, p. 13596 - 13597 (2009/12/30)

(Chemical Equation Presented) A variety of 1H-indenes, dihydro-s-indacenes, and diindenoindacenes, carbon-bridged phenylenevinylene derivatives, can be synthesized in good to high yields using as a synthetic module a 3-lithioindene compound made available

The SRN1 Photoarylation of Indenyl Anions

Tolbert, Laren M.,Siddiqui, Shahabuddin

, p. 1744 - 1751 (2007/10/02)

Irradiation of Me2SO solutions of indenyl anion and its phenylated analogues in the presence of bromobenzene produces the higher phenylated indenes.Thus indenyl anion (1b) yields 3-phenylindene (3a), 1-phenylindenyl anion (3b) yields 1,3- and 1,1-diphenylindene, 2-phenylindenyl anion (2b) produces 2,3-diphenylindene, 1,3-diphenylindenyl anion (6b) produces 1,1,3- and 1,2,3-triphenylindene, and 1,2-diphenylindenyl anion (5b) produces 1,2,3-triphenylindene (8).In liquid ammonia and tetrahydrofuran more complex reaction pathways are observed.The regiochemistry of phenylation is attributed to radical attack at the most basic site, in accord with a previously published model.

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