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3,5-bis(methoxymethoxy)-4-bromo-2,6-dichlorotoluene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

261958-52-5

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261958-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 261958-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,9,5 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 261958-52:
(8*2)+(7*6)+(6*1)+(5*9)+(4*5)+(3*8)+(2*5)+(1*2)=165
165 % 10 = 5
So 261958-52-5 is a valid CAS Registry Number.

261958-52-5Relevant academic research and scientific papers

Synthetic analogues of the antibiotic pestalone

Kaiser, Florian,Schmalz, Hans-Günther

, p. 7345 - 7355 (2007/10/03)

The first synthetic study towards the natural product pestalone (1) is described culminating in the preparation of selected n-1 analogues. Pestalone is a chlorinated and prenylated benzophenone antibiotic, which is of interest due to a strong activity aga

Synthetic studies on Sch 202596, an antagonist of the galanin receptor subtype GalR1: An efficient synthesis of (±)-geodin, the spirocoumaranone part of Sch 202596

Katoh, Tadashi,Ohmori, Osamu,Iwasaki, Katsuhiko,Inoue, Munenori

, p. 1289 - 1299 (2007/10/03)

An efficient and facile synthesis of (±)-geodin [(±)-2] corresponding to the spirocoumaranone part of Sch 202596 (1) was accomplished in a convergent manner. The synthetic method features (i) a coupling reaction of the aryl aldehyde 6 with the aryl lithium 7 generated in situ from the aryl bromide 8 to deliver the highly substituted diaryl methanol 24 (6+7→24) and ii) oxidative spirocyclization reaction of the benzophenone 4 to construct the requisite spirocoumaranone skeleton [4→(±)-2] as the key steps. The aromatic segments 6 and 8 were prepared from commercially available methyl 3,5-dihydroxybenzoate (9) and 5-methylresorcinol (10), respectively.

Studies toward the total synthesis of Sch 202596, an antagonist of the galanin receptor subtype GalR1: Synthesis of geodin, the spirocoumaranone subunit of Sch 202596

Katoh, Tadashi,Ohmori, Osamu

, p. 465 - 469 (2007/10/03)

An efficient synthesis of (±)-geodin [(±)-2] corresponding to the spirocoumaranone subunit of Sch 202596 (1) was accomplished in a convergent manner by utilizing coupling reaction of the aryl aldehyde 5 with the aryl bromide 6 and oxidative spirocyclization of the benzophenone 4 as the key steps. The aromatic segments 5 and 6 were prepared from commercially available methyl 3,5-dihydroxybenzoate (7) and 5-methylresorcinol (8), respectively.

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