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3900-83-2

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3900-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3900-83-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3900-83:
(6*3)+(5*9)+(4*0)+(3*0)+(2*8)+(1*3)=82
82 % 10 = 2
So 3900-83-2 is a valid CAS Registry Number.

3900-83-2Relevant articles and documents

Electrochemical two-electron oxygen reduction reaction (ORR) induced aerobic oxidation of α-diazoesters

Chen, Liang,Gao, Meng,Lu, Cuifen,Ma, Chao,Ruan, Mengyao,Wen, Ziyang,Yang, Fan,Yang, Guichun

, p. 2168 - 2171 (2022/02/17)

Electrochemical oxygen reduction reaction (ORR) is a powerful tool for introducing oxygen functional groups in synthetic chemistry. However, compared with the well-developed one-electron oxygen reduction process, the applications of two-electron oxygen re

Synthesis of Rhodium Complexes with Chiral Diene Ligands via Diastereoselective Coordination and Their Application in the Asymmetric Insertion of Diazo Compounds into E?H Bonds

Ankudinov, Nikita M.,Chusov, Denis A.,Nelyubina, Yulia V.,Perekalin, Dmitry S.

supporting information, p. 18712 - 18720 (2021/07/20)

A new method for the synthesis of chiral diene rhodium catalysts is introduced. The readily available racemic tetrafluorobenzobarrelene complexes [(R2-TFB)RhCl]2 were separated into two enantiomers via selective coordination of one of them with the auxiliary S-salicyl-oxazoline ligand. One of the resulting chiral complexes with an exceptionally bulky diene ligand [(R,R-iPr2-TFB)RhCl]2 was an efficient catalyst for the asymmetric insertion of diazoesters into B?H and Si?H bonds giving the functionalized organoboranes and silanes with high yields (79–97 %) and enantiomeric purity (87–98 % ee). The stereoselectivity of separation via auxiliary ligand and that of the catalytic reaction was predicted by DFT calculations.

Photochemical Doyle-Kirmse Reaction: A Route to Allenes

Or?owska, Katarzyna,Rybicka-Jasińska, Katarzyna,Krajewski, Piotr,Gryko, Dorota

supporting information, p. 1018 - 1021 (2020/01/31)

This Letter describes the metal-free, blue-light-induced [2,3]-sigmatropic rearrangement of sulfonium ylides generated from donor/acceptor diazoalkanes and propargyl sulfides. The reaction furnishes highly functionalized allenes from a broad range of starting materials in decent yield. Mechanistic experiments supported by the literature data suggest singlet carbenes as intermediates in this reaction.

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