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71832-02-5

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71832-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71832-02-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,3 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71832-02:
(7*7)+(6*1)+(5*8)+(4*3)+(3*2)+(2*0)+(1*2)=115
115 % 10 = 5
So 71832-02-5 is a valid CAS Registry Number.

71832-02-5Relevant articles and documents

Luettringhaus

, p. 1602 (1934)

Meyer,Schuster

, p. 815,817 (1922)

Synthetic and mechanistic studies in enantioselective allylic substitutions catalysed by palladium complexes of a modular class of axially chiral quinazoline-containing ligands

Carroll, Anne-Marie,McCarthy, Mary,Lacey, Patrick M.,Saunders, Cormac P.,Connolly, David J.,Farrell, Annette,Rokade, Balaji V.,Goddard, Richard,Fristrup, Peter,Norrby, Per-Ola,Guiry, Patrick J.

, (2019/12/09)

The application of palladium complexes of a modular series of axially chiral phosphinamine ligands, the Quinazolinaps, to the enantioselective alkylation of 1,3-diphenyl-2-propenyl acetate with dimethyl malonate and methyl dimethyl malonate is described.

One-point binding ligands for asymmetric gold catalysis: Phosphoramidites with a TADDOL-related but acyclic backbone

Teller, Henrik,Corbet, Matthieu,Mantilli, Luca,Gopakumar, Gopinadhanpillai,Goddard, Richard,Thiel, Walter,Fuerstner, Alois

supporting information, p. 15331 - 15342 (2012/11/07)

Readily available phosphoramidites incorporating TADDOL-related diols with an acyclic backbone turned out to be excellent ligands for asymmetric gold catalysis, allowing a number of mechanistically different transformations to be performed with good to outstanding enantioselectivities. This includes [2 + 2] and [4 + 2] cycloadditions of ene-allenes, cycloisomerizations of enynes, hydroarylation reactions with formation of indolines, as well as intramolecular hydroaminations and hydroalkoxylations of allenes. Their preparative relevance is underscored by an application to an efficient synthesis of the antidepressive drug candidate (-)-GSK 1360707. The distinctive design element of the new ligands is their acyclic dimethyl ether backbone in lieu of the (isopropylidene) acetal moiety characteristic for traditional TADDOLs. Crystallographic data in combination with computational studies allow the efficiency of the gold complexes endowed with such one-point binding ligands to be rationalized.

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