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1739-04-4

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1739-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1739-04-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,3 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1739-04:
(6*1)+(5*7)+(4*3)+(3*9)+(2*0)+(1*4)=84
84 % 10 = 4
So 1739-04-4 is a valid CAS Registry Number.

1739-04-4Downstream Products

1739-04-4Relevant articles and documents

Rhodium(I) N-heterocyclic carbene complexes as catalysts for the anti-markovnikov hydroaminations of styrene

G?k, Yetkin,Yi?it, Beyhan,?elikal, ?zlem ?zero?lu,Yi?it, Murat

, p. 941 - 953 (2021/05/19)

A series of new rhodium(I) complexes with benzimidazole based N-heterocyclic carbene (NHC) ligand were synthesized by reactions of benzimidazolium salts with [Rh(OMe)COD]2. The characterization of rhodium(I) complexes with the general formula [RhCl(NHC)(4-1,5-cyclooctadiene)] was done by physicochemical and spectroscopic methods. All the synthesized complexes were tested as catalysts in the intermolecular hydroamination reactions between styrene with aromatic amines in ionic liquid. All of these complexes tested here are catalytically active for the intermolecular hydroamination of styrene with aromatic amines in ionic liquid. The anti-Markovnikov addition products were obtained selectively by using 1 mol% of the rhodium complex.

Ruthenium(II) complexes with chelating n-heterocyclic carbenes and a ruthenate(II) complex as catalysts for the anti-Markovnikov hydroaminations of styrene

?elikal, ?zlem ?zero?lu,G?k, Yetkin,Yi?it, Beyhan,Yi?it, Murat

, (2021/09/03)

New ruthenium chelate and ruthenate complexes were synthesized through the reaction of benzimidazolium salts and [RuCl2(p-cymene)]2 in toluene and characterized by elemental analysis, 1H NMR and 13C NMR spectroscopy. These ruthenium complexes were tested as catalysts in the intermolecular hydroamination reactions between styrene with aromatic amines in ionic liquid. All of these complexes tested here showed good catalytic activity in these reactions. The hydroamination reactions regioselectively produced anti-Markovnikov addition products in moderate to good yields by using 1 mol% of the ruthenium complex.

Iron-Catalyzed Regioselective α-C-H Alkylation of N-Methylanilines: Cross-Dehydrogenative Coupling between Unactivated C(sp3)-H and C(sp3)-H Bonds via a Radical Process

Li, Ze-Lin,Sun, Kang-Kang,Wu, Peng-Yu,Cai, Chun

, p. 6830 - 6839 (2019/06/14)

The iron-catalyzed α-C-H alkylation of N-methylanilines without any directing group by cross-dehydrogenative coupling between unactivated C(sp3)-H and C(sp3)-H bonds has been established for the first time, which provides a good complement to C(sp3)-H activation reactions and expands the field of Fe-catalyzed C-H functionalizations. Many different C(sp3)-H bonds in cyclic alkanes, cyclic ethers, and toluene derivatives can be used as coupling partners. Mechanistic investigations including the radical reaction process, the main role of various reagents, and the kinetic isotope effect experiment were also described.

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