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85437-89-4

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85437-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85437-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 85437-89:
(7*8)+(6*5)+(5*4)+(4*3)+(3*7)+(2*8)+(1*9)=164
164 % 10 = 4
So 85437-89-4 is a valid CAS Registry Number.

85437-89-4Downstream Products

85437-89-4Relevant articles and documents

Semireduction of alkynoic acids via a transition metal-free α borylation-protodeborylation sequence

Verma, Astha,Grams, R. Justin,Rastatter, Brett P.,Santos, Webster L.

, p. 2113 - 2117 (2019)

A method for the semi-reduction of alkynoic acids through an α-borylation and subsequent protodeborylation mechanism has been developed. The transition metal-free protocol is achieved through the activation of bis(pinacolato)diboron by an in situ generated carboxylate moiety yielding aryl acrylic acids. Our studies demonstrate an unprecedented dual role for the carboxylate anion that involves the activation of the diboron reagent and a directing effect in the α-borylation.

VINYL COPPER REAGENTS-16. SYNTHESIS OF CONJUGATED DIENES VIA THE ADDITION OF VINYL CUPRATES TO ACETYLENE

Alexakis, A.,Normant, J. F.

, p. 5151 - 5154 (2007/10/02)

Some alkenyl cuprates add smoothly to acetylene yielding dienyl cuprates.

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