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1443441-65-3

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1443441-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443441-65-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,4,4 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1443441-65:
(9*1)+(8*4)+(7*4)+(6*3)+(5*4)+(4*4)+(3*1)+(2*6)+(1*5)=143
143 % 10 = 3
So 1443441-65-3 is a valid CAS Registry Number.

1443441-65-3Downstream Products

1443441-65-3Relevant articles and documents

A co-operative effect of visible light photo-catalysis and CoFe2O4 nanoparticles for green synthesis of furans in water

Verma, Fooleswar,Singh, Puneet K.,Bhardiya, Smita R.,Singh, Manorama,Rai, Ankita,Rai, Vijai K.

supporting information, p. 4937 - 4942 (2017/07/12)

A novel approach to poly-functionalized furan synthesis is disclosed via oxidative decarboxylative [3+2] cycloaddition using co-operative catalysis by visible light and CoFe2O4 nanoparticles under ambient reaction conditions with water as a solvent. Although the reported method is efficient without catalyst in the presence of visible light (70% yield in 4 h at rt), the use of catalyst not only increases the yield (91%) but also accelerates the conversion rate (2 h at rt).

Copper-catalyzed regioselective synthesis of furan via tandem cycloaddition of ketone with an unsaturated carboxylic acid under air

Ghosh, Monoranjan,Mishra, Subhajit,Monir, Kamarul,Hajra, Alakananda

, p. 309 - 314 (2015/01/16)

A catalytic decarboxylative annulation has been developed for the regioselective synthesis of trisubstituted furans by the cycloaddition of ketones with α,β-unsaturated carboxylic acids under ambient air. A library of furan derivatives were obtained in good yields from the readily available substrates in the combination of a catalytic amount of Cu-salt and a stoichiometric amount of water. Water plays a crucial role in this catalytic transformation. This journal is

Synthesis of polysubstituted furans via copper-mediated annulation of alkyl ketones with α,β-unsaturated carboxylic acids

Yang, Yuzhu,Yao, Jinzhong,Zhang, Yuhong

supporting information, p. 3206 - 3209 (2013/07/26)

A novel copper-mediated annulation of alkyl ketones with α,β-unsaturated carboxylic acids has been accomplished. This reaction provides a facile and regio-defined method for the synthesis of 2,3,5-trisubstituted furans from simple chemical reagents.

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