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80317-46-0

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80317-46-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80317-46-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,1 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 80317-46:
(7*8)+(6*0)+(5*3)+(4*1)+(3*7)+(2*4)+(1*6)=110
110 % 10 = 0
So 80317-46-0 is a valid CAS Registry Number.

80317-46-0Relevant articles and documents

Highly Regio- And Enantioselective Reductive Coupling of Alkynes and Aldehydes via Photoredox Cobalt Dual Catalysis

Li, Yan-Lin,Zhang, Shi-Qi,Chen, Jie,Xia, Ji-Bao

supporting information, p. 7306 - 7313 (2021/05/26)

A Co-catalyzed highly regio- and enantioselective reductive coupling of alkynes and aldehydes has been developed under visible light photoredox dual catalysis. A variety of enantioenriched allylic alcohols have been obtained by using unsymmetrical internal alkynes and commercially available catalyst, chiral ligand, and reagents. It is noteworthy that this approach has considerable advantages, such as excellent regio- (>95:5 for >40 examples), stereo- (up to >95:5 E/Z), and enantioselectivity (92-99% ee, >35 examples) control, mild reaction conditions, broad substrate scope, and good functional group compatibility, making it a great improvement to enantioselective alkyne-aldehyde reductive coupling reactions.

Direct vinylation of alcohols or aldehydes employing alkynes as vinyl donors: A ruthenium catalyzed C-C bond-forming transfer hydrogenation

Patman, Ryan L.,Chaulagain, Mani Raj,Williams, Vanessa M.,Krische, Michael J.

supporting information; experimental part, p. 2066 - 2067 (2009/07/30)

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Episulfone substitution and ring-opening reactions via α-sulfonyl carbanion intermediates

Dishington, Allan P.,Douthwaite, Richard E.,Mortlock, Andrew,Muccioli, Adriano B.,Simpkins, Nigel S.

, p. 323 - 337 (2007/10/03)

Three-membered cyclic sulfones undergo substitution on treatment with base-electrophile mixtures, such as LDA-Me3SiCl and Bu′-P4 phosphazene base-PhCHO, to give either substituted episulfones or the corresponding alkenes following loss of SO2. The structure of a trisilylated episulfone product, 2a, was determined by X-ray crystallography. In the absence of Me3SiCl, reaction of episulfones with lithium diisopropylamide results in ring-opening to give alkenyl sulfinate intermediates, which can be alkylated to give (E)-alkenyl sulfone products in stereoselective fashion.

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