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308820-90-8

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308820-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 308820-90-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,8,8,2 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 308820-90:
(8*3)+(7*0)+(6*8)+(5*8)+(4*2)+(3*0)+(2*9)+(1*0)=138
138 % 10 = 8
So 308820-90-8 is a valid CAS Registry Number.

308820-90-8Relevant articles and documents

Palladium-Catalyzed Domino Cyclization/Phosphorylation of gem-Dibromoolefins with P(O)H Compounds: Synthesis of Phosphorylated Heteroaromatics

Chen, Chen,Ding, Jie,Liu, Liying,Huang, Yujie,Zhu, Bolin

supporting information, p. 200 - 205 (2021/10/29)

We presented a palladium-catalyzed domino cyclization/phosphorylation of gem-dibromoolefins, which utilize H-phosphinates and secondary phosphine oxides as the phosphine sources, respectively. A variety of phosphorylated heteroaromatics were obtained in m

Continuous flow esterification of a H-phosphinic acid, and transesterification of H-phosphinates and H-phosphonates under microwave conditions

Henyecz, Réka,Keglevich, Gy?rgy,Kiss, Nóra Zsuzsa

, (2020/02/18)

The microwave (MW)-assisted direct esterification of phenyl-H-phosphinic acid, transesterification of the alkyl phenyl-H-phosphinates so obtained, and the similar reaction of dibenzyl phosphite (DBP) were investigated in detail, and the batch accomplishme

Silver-promoted cascade radical cyclization of γ,δ-unsaturated oxime esters with P(O)H compounds: synthesis of phosphorylated pyrrolines

Chen, Chen,Bao, Yinwei,Zhao, Jinghui,Zhu, Bolin

supporting information, p. 14697 - 14700 (2019/12/11)

A cascade radical cyclization was realized for the first silver-promoted imino-phosphorylation of γ,δ-unsaturated oxime esters, which provided a step-economical and redox-neutral route to access a variety of phosphorylated pyrrolines in good to excellent yields. Moreover, a new bulky trivalent phosphine ligand with a pyrroline motif was obtained through a deoxidation process.

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