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58902-04-8

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58902-04-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58902-04-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,0 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 58902-04:
(7*5)+(6*8)+(5*9)+(4*0)+(3*2)+(2*0)+(1*4)=138
138 % 10 = 8
So 58902-04-8 is a valid CAS Registry Number.

58902-04-8Relevant articles and documents

Superelectrophilic Fe(III)-Ion Pairs as Stronger Lewis Acid Catalysts for (E)-Selective Intermolecular Carbonyl-Olefin Metathesis

Albright, Haley,Schindler, Corinna S.,Vonesh, Hannah L.

, p. 3155 - 3160 (2020)

An intermolecular carbonyl-olefin metathesis reaction is described that relies on superelectrophilic Fe(III)-based ion pairs as stronger Lewis acid catalysts. This new catalytic system enables selective access to (E)-olefins as carbonyl-olefin metathesis products. Mechanistic investigations suggest the regioselective formation and stereospecific fragmentation of intermediate oxetanes to be the origin of this selectivity. The optimized conditions are general for a variety of aryl aldehydes and trisubstituted olefins and are demonstrated for 28 examples in up to 64% overall yield.

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