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69047-43-4

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69047-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69047-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,4 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69047-43:
(7*6)+(6*9)+(5*0)+(4*4)+(3*7)+(2*4)+(1*3)=144
144 % 10 = 4
So 69047-43-4 is a valid CAS Registry Number.

69047-43-4Downstream Products

69047-43-4Relevant articles and documents

Late-Stage Diversification of Biarylphosphines through Rhodium(I)-Catalyzed C-H Bond Alkenylation with Internal Alkynes

Zhang, Zhuan,Cordier, Marie,Dixneuf, Pierre H.,Soulé, Jean-Fran?ois

supporting information, p. 5936 - 5940 (2020/07/30)

We report herein P(III)-directed C-H bond alkenylation of (dialkyl)- and (diaryl)biarylphosphines using internal alkynes. Chloride-free [Rh(OAc)(COD)]2 acts as a better catalyst than commercially available [RhCl(COD)]2. Conditions were developed to control the mono- and difunctionalization depending on the alkyne stoichiometry. One of these novel bisalkenylated (dialkyl)biarylphosphines was employed for the preparation of a palladium(II) complex, and some of these functionalized ligands outperformed their corresponding unfunctionalized phosphines in Pd-catalyzed amidation with sterically hindered aryl chlorides.

A New Reagent for Activating Carboxyl Groups; Preparation and Reactions of N,N-Bisphosphorodiamidic Chloride

Diago-Meseguer, J.,Palomo-Coll, A.L.,Fernandez-Lizarbe, J.R.,Zugaza-Bilbao, A.

, p. 547 - 551 (2007/10/02)

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