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29578-46-9

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29578-46-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29578-46-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,5,7 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 29578-46:
(7*2)+(6*9)+(5*5)+(4*7)+(3*8)+(2*4)+(1*6)=159
159 % 10 = 9
So 29578-46-9 is a valid CAS Registry Number.

29578-46-9Relevant articles and documents

N-Acyliminium ion chemistry and palladium catalysis: A useful combination to obtain bicyclic heterocycles

Karstens, Willem F.J.,Klomp, Dirk,Rutjes, Floris P.J.T.,Hiemstra, Henk

, p. 5123 - 5130 (2001)

By using N-acyliminium ion chemistry, several ω-propadienyllactams and a propadienyloxazolidine were prepared from N-acyliminium ion precursors and propargylsilanes. Treatment of these allene containing lactams and oxazolidinone with allyl halides or an a

Tethered NHC Ligands for Stereoselective Alkyne Semihydrogenations

Pape, Felix,Teichert, Johannes F.

supporting information, p. 2470 - 2482 (2017/05/22)

A copper(I)-catalyzed semihydrogenation of internal alkynes has been developed. A variety of oxygen- and nitrogen-tethered N-heterocyclic carbene (NHC) complexes have been investigated, leading to a highly Z-selective transformation. The catalyst is generated from inexpensive copper(I) chloride in situ and allows catalytic semihydrogenation down to 10 bar H2.

ACTION DE SILANES PROPARGYLIQUES SUR DES DERIVES CARBONYLES α-ETHYLENIQUES

Pornet, Jaques,Kolani, N'Baneyape,Mesnard, Danielle,Miginiac, Leone,Jaworski, Krzysztof

, p. 177 - 188 (2007/10/02)

Propargylsilanes RCCCH2Si(CH3)3 easily react with dialkyl alkylidenemalonates, in the presence of TiCl4, to lead to the only product corresponding to an 1,4-addition; the reaction takes place with propargylic rearrangement.

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