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108303-98-6

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108303-98-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108303-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,3,0 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 108303-98:
(8*1)+(7*0)+(6*8)+(5*3)+(4*0)+(3*3)+(2*9)+(1*8)=106
106 % 10 = 6
So 108303-98-6 is a valid CAS Registry Number.

108303-98-6Relevant articles and documents

Chiral Nanoparticles/Lewis Acids as Cooperative Catalysts for Asymmetric 1,4-Addition of Arylboronic Acids to α,β-Unsaturated Amides

Yasukawa, Tomohiro,Saito, Yuuki,Miyamura, Hiroyuki,Kobayashi, Shū

, (2016)

Cooperative catalysts consisting of chiral Rh/Ag nanoparticles and Sc(OTf)3have been developed that catalyze asymmetric 1,4-addition reactions of arylboronic acids with α,β-unsaturated amides efficiently. The reaction has been considered one of

Rhodium-catalyzed domino conjugate addition-cyclization reactions for the synthesis of a variety of N- and O-heterocycles: Arylboroxines as effective carbon nucleophiles

Park, Ja Ock,Youn, So Won

supporting information; experimental part, p. 2258 - 2261 (2010/07/17)

Facile and efficient Rh(I)-catalyzed domino conjugate addition-cyclization reactions of olefins bearing two electrophilic sites and a pendant nucleophile with organoboroxines have been developed to afford a variety of N- and O-heterocycles, such as 3,4-dihydroquinolin-2(1H)-ones, 3,4-dihydrocoumarins, and pyrrolidin-2-ones, which constitute important motifs in biologically active natural and synthetic organic compounds.

Rhodium(I)-catalysed hydrocarbonylation and silylcarbonylation reactions of alkynes in the presence of primary amines leading to 2-pyrrolidinones and 4-silylated 1-aza-1,3-butadienes

Baerfacker, Lars,Hollmann, Christoph,Eilbracht, Peter

, p. 4493 - 4506 (2007/10/03)

Rh(I)-catalysed hydrocarbonylation of alkynes 1 in the presence of primary amines gives substituted 2-pyrrolidinones 3 in a one-pot procedure. Replacement of hydrogen by hydrosilanes via silylcarbonylation leads to 4- silylated l-aza-l,3-butadienes 5. The

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