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1380241-42-8

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1380241-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1380241-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,2,4 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1380241-42:
(9*1)+(8*3)+(7*8)+(6*0)+(5*2)+(4*4)+(3*1)+(2*4)+(1*2)=128
128 % 10 = 8
So 1380241-42-8 is a valid CAS Registry Number.

1380241-42-8Relevant articles and documents

Convergent synthesis of deoxypropionates

Diez, Peter S.,Micalizio, Glenn C.

, p. 5152 - 5156 (2012)

Metallacycle-mediated allylic alcohol-alkyne reductive cross-coupling is described as a convergent solution to the synthesis of deoxypropionates. This approach offers superior step-economy in comparison to available strategies based on multistep iterative chain elongation. The technique is demonstrated in a concise synthesis of the C1-C11 subunit of borrelidin, and a total synthesis of (-)-vittatalactone. Copyright

Synthesis of Fused Carbazoles by Gold-Catalyzed Tricyclization of Conjugated Diynes via Rearrangement of an N-Propargyl Group

Taguchi, Masamitsu,Tokimizu, Yusuke,Oishi, Shinya,Fujii, Nobutaka,Ohno, Hiroaki

, p. 6250 - 6253 (2015)

Various N-propargylanilines bearing a conjugated diyne moiety at the 2-position were converted to tetracyclic fused carbazoles by treatment with a homogeneous gold(I) catalyst. This cascade reaction proceeds through indole formation with concomitant rearrangement of the N-propargyl group, intramolecular nucleophilic addition toward the resulting allene moiety, and subsequent hydroalkenylation. This transformation enables a one-pot synthesis of fused carbazoles from readily accessible substrates with 100% atom economy.

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