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31641-78-8

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31641-78-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31641-78-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,6,4 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31641-78:
(7*3)+(6*1)+(5*6)+(4*4)+(3*1)+(2*7)+(1*8)=98
98 % 10 = 8
So 31641-78-8 is a valid CAS Registry Number.

31641-78-8Relevant articles and documents

Manganese-Catalyzed Dual-Deoxygenative Coupling of Primary Alcohols with 2-Arylethanols

Wang, Yujie,Shao, Zhihui,Zhang, Kun,Liu, Qiang

, p. 15143 - 15147 (2018/11/01)

Reported herein is a general and efficient dual-deoxygenative coupling of primary alcohols with 2-arylethanols catalyzed by a well-defined Mn/PNP pincer complex. This reaction is the first example of the catalytic dual-deoxygenation of alcohols using a non-noble-metal catalyst. Both deoxygenative homocoupling of 2-arylethanols (17 examples) and their deoxygenative cross-coupling with other primary alcohols (20 examples) proceeded smoothly to form the corresponding alkenes by a dehydrogenation and deformylation reaction sequence.

Reliable and versatile synthesis of 2-aryl-substituted cinnamic acid esters

Ianni, Alen,Waldvogel, Siegfried R.

, p. 2103 - 2112 (2008/02/02)

2-Aryl-substituted phosphono acetates can be readily synthesized by a four-step sequence from the respective arenes. Succeeding Horner-Wadsworth- Emmons olefinations provide stereoselectively the 2-aryl cinnamic acid esters even when sensitive moieties are involved. Georg Thieme Verlag Stuttgart.

Arylation of phosphoryl-stabilized carbanions with metal π-complexes of aryl chlorides and fluorides

Artamkina, Galina A.,Sazonov, Petr K.,Beletskaya, Irina P.

, p. 4385 - 4387 (2007/10/03)

The nucleophilic aromatic substitution of halogen in metal arene π-complexes η6-(ArF)Cr(CO)3 and [η6-(ArHal)FeCp]+[PF6]- (Hal = F,Cl) with phosphoryl-stabilized carbanions ZCH2P(

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