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69390-19-8

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69390-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69390-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,3,9 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 69390-19:
(7*6)+(6*9)+(5*3)+(4*9)+(3*0)+(2*1)+(1*9)=158
158 % 10 = 8
So 69390-19-8 is a valid CAS Registry Number.

69390-19-8Relevant articles and documents

Curcumin inspired synthesis of unsymmetrical diarylpentanoids with highly potent anti-parasitic activities:: In silico studies and DFT-based stereochemical calculation

Din, Zia Ud,Santos, Alef Dos,Trapp, Marilia Almeida,Lazarin-Bidóia, Danielle,Garcia, Francielle Pelegrin,Peron, Francieli,Nakamura, Celso Vataru,Rodrigues-Filho, Edson

, p. 820 - 831 (2016)

Unsymmetrical diarylpentanoid analogues of curcumin have been synthesized by Claisen-Schmidt condensation of different aldehydes and ketones. Anisaldehyde treated with 2-butanone and chlorobenzaldehyde with 2-pentanone resulted in intermediate compounds 1

Decarboxylation-triggered homo-Nazarov cyclization of cyclic enol carbonates catalyzed by rhenium complex

Kimaru, Natsuki,Komatsuki, Keiichi,Saito, Kodai,Yamada, Tohru

supporting information, p. 6133 - 6136 (2021/06/30)

Decarboxylative homo-Nazarov cyclization catalyzed by a Lewis acid was achieved using a cyclic enol carbonate bearing a cyclopropane moiety as a substrate. Various substrates were converted into the corresponding multi-substituted cyclohexenones in good yieldsviadecarboxylation, followed by 6-membered ring formation involving cyclopropane-ring-opening.

Thermal decarboxylative Nazarov cyclization of cyclic enol carbonates involving chirality transfer

Kozuma, Akane,Komatsuki, Keiichi,Saito, Kodai,Yamada, Tohru

supporting information, p. 60 - 63 (2019/12/12)

Decarboxylative Nazarov cyclization of chiral cyclic enol carbonates proceeded to afford chiral 2-cyclopentenones with excellent chirality transfer under thermal conditions without any catalyst. Interestingly, the thermal decarboxylative Nazarov cyclization furnished the desired product with better chirality transfer than the Lewis acid-catalyzed reaction.

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