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78808-43-2

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78808-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78808-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,0 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78808-43:
(7*7)+(6*8)+(5*8)+(4*0)+(3*8)+(2*4)+(1*3)=172
172 % 10 = 2
So 78808-43-2 is a valid CAS Registry Number.

78808-43-2Downstream Products

78808-43-2Relevant articles and documents

Photoredox propargylation of aldehydes catalytic in titanium

Calogero, Francesco,Gualandi, Andrea,Di Matteo, Marco,Potenti, Simone,Fermi, Andrea,Bergamini, Giacomo,Cozzi, Pier Giorgio

, p. 7002 - 7009 (2021/05/29)

A practical and effective photoredox propargylation of aldehydes promoted by 10 mol % of [Cp2TiCl2] is presented. No stoichiometric metals or scavengers are used for the process. A catalytic amount of the cheap and simply prepared or

Carbonyl propargylation by 1-substituted prop-2-ynyl mesylates and carbonyl allenylation by 3-substituted prop-2-ynyl mesylates with tin(II) iodide and tetrabutylammonium iodide

Masuyama,Watabe,Ito,Kurusu

, p. 2009 - 2010 (2007/10/03)

1-Substituted prop-2-ynyl mesylates cause propargylation of aldehydes with tin(II) iodide, tetrabutylammonium iodide and sodium iodide in 1,3-dimethylimidazolidin-2-one to produce 2-substituted but-3-yn-1-ols, while 3-substituted prop-2-ynyl mesylates cau

A CONVENIENT SYNTHESIS OF α-HYDROXYALLENES BY THE REACTION OF PROPARGYL IODIDES WITH ALDEHYDES IN THE PRESENCE OF STANNOUS HALIDE

Mukaiyama, Teruaki,Harada, Taira

, p. 621 - 624 (2007/10/02)

In the presence of stannous halide, propargyl iodides react with aldehydes in an aprotic solvent to yield α-hydroxyallenes as major products, particularly in the cases of γ-substituted propargyl iodides, along with β-hydroxyacetylenes.

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