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19287-65-1

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19287-65-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19287-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,2,8 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19287-65:
(7*1)+(6*9)+(5*2)+(4*8)+(3*7)+(2*6)+(1*5)=141
141 % 10 = 1
So 19287-65-1 is a valid CAS Registry Number.

19287-65-1Downstream Products

19287-65-1Relevant articles and documents

A tuned bicyclic proazaphosphatrane for catalytically enhanced n-arylation reactions with aryl chlorides

Kim, So Han,Kim, Min,Verkade, John G.,Kim, Youngjo

, p. 1954 - 1960 (2015/03/18)

The N-arylation of various amines with aryl chlorides proceeded in good-to-excellent yields in the presence of P[N{(p-NMe2)C6H4CH2}CH2CH2]3N (1e, a new electron-rich proazaphosphatrane ligand) and small amounts of Pd2(dba)3 (dba = dibenzylideneacetone). This catalytic system was also very effective for the synthesis of carbazoles. An efficient palladium-catalyzed N-arylation reaction of amines under mild conditions with a tuned bicyclic proazaphosphatrane has been developed.

Palladium-catalyzed synthesis of N-arylated carbazoles using anilines and cyclic diaryliodonium salts

Riedmueller, Stefan,Nachtsheim, Boris J.

, p. 1202 - 1209 (2013/07/26)

The direct synthesis of N-arylated carbazoles through a palladium-catalyzed amination of cyclic iodonium salts with anilines is described. In particular, electron-poor aniline derivatives reacted smoothly with only 5 mol % of Pd(OAc)2 as catalyst to give the desired products in up to 71% yield. Furthermore, the reactivity of cyclic iodonium salts is compared with the reactivity of the corresponding cyclic bromonium analogues.

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