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675608-06-7

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675608-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 675608-06-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,5,6,0 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 675608-06:
(8*6)+(7*7)+(6*5)+(5*6)+(4*0)+(3*8)+(2*0)+(1*6)=187
187 % 10 = 7
So 675608-06-7 is a valid CAS Registry Number.

675608-06-7Relevant articles and documents

Stereodivergent Allylation of Azaaryl Acetamides and Acetates by Synergistic Iridium and Copper Catalysis

Jiang, Xingyu,Boehm, Philip,Hartwig, John F.

, p. 1239 - 1242 (2018)

We report stereodivergent allylic substitution reactions of allylic esters with prochiral enolates derived from azaaryl acetamides and acetates to form products from addition of the enolates at the most substituted carbon of an allyl moiety with two catalysts, a chiral metallacyclic iridium complex and a chiral bisphosphine-ligated copper(I) complex, which individually control the configuration of the electrophilic and nucleophilic carbon atoms, respectively. By simple permutations of enantiomers of the two catalysts, all four stereoisomers of products containing two stereogenic centers were synthesized individually with high diastereoselectivity and enantioselectivity. A variety of azaaryl acetamides and acetates bearing pyridyl, benzothiazolyl, benzoxazolyl, pyrazinyl, quinolinyl and isoquinolinyl moieties were all found to be suitable for this transformation.

Effects of catalyst activation and ligand steric properties on the enantioselective allylation of amines and phenoxides

Leitner, Andreas,Shu, Chutian,Hartwig, John F.

, p. 1093 - 1096 (2007/10/03)

(Chemical Equation Presented) The yields, enantioselectivities, and regioselectivities of the reactions of amines and phenoxides with allylic carbonates in the presence of a metallacyclic iridium catalyst were compared. These data show that both preactiva

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