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1404226-37-4

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1404226-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404226-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,2,2 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1404226-37:
(9*1)+(8*4)+(7*0)+(6*4)+(5*2)+(4*2)+(3*6)+(2*3)+(1*7)=114
114 % 10 = 4
So 1404226-37-4 is a valid CAS Registry Number.

1404226-37-4Downstream Products

1404226-37-4Relevant articles and documents

Cu-doped zeolitic imidazolate framework catalysed highly selective conversion of alkynes to β -keto and vinyl sulfones using sodium sulfinates

Yalavarthi, Nageswara Rao,Gundoju, Narayanarao,Bokam, Ramesh,Ponnapalli, Mangala Gowri

, (2019/01/11)

Abstract: Cu 2 +-doped zeolitic imidazolate framework-8 (ZIF-8)-catalyzed one-pot procedure to synthesize β -keto and vinyl sulfones by the direct oxysulfonylation and hydrosulfonylation of alkynes via radical reaction under mild conditions has been described. The advantages of this protocol included broad substrate scope and excellent β -keto and E-stereoselectivity. The Cu/ZIF-8 catalyst not only exhibited excellent performance but also had a great stability in the reaction, successfully allowing its reuse up to five cycles. This efficient Cu/ZIF-8 heterogeneous catalyst is explored for the first time to generate β -keto and vinyl sulfones. Graphical Abstract:: Cu 2 +-doped zeolitic imidazolate framework-8 (ZIF-8)-catalyzed one-pot procedure to synthesize β -keto and vinyl sulfones by the direct oxysulfonylation and hydrosulfonylation of alkynes via radical reaction under mild conditions is described. The advantages of this protocol included broad substrate scope and excellent β -keto and E-stereoselectivity. This efficient Cu/ZIF-8 heterogeneous catalyst is explored for the first time for C-S bond formation. [Figure not available: see fulltext.].

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