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1241859-88-0

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1241859-88-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1241859-88-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,1,8,5 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1241859-88:
(9*1)+(8*2)+(7*4)+(6*1)+(5*8)+(4*5)+(3*9)+(2*8)+(1*8)=170
170 % 10 = 0
So 1241859-88-0 is a valid CAS Registry Number.

1241859-88-0Downstream Products

1241859-88-0Relevant articles and documents

CuO/CNTs-catalyzed heterogeneous process: A convenient strategy to prepare furan derivatives from electron-deficient alkynes and α-hydroxy ketones

Cao, Hua,Jiang, Huan-Feng,Zhou, Xiao-Song,Qi, Chao-Rong,Lin, Yuan-Guang,Wu, Jian-Yong,Liang, Qi-Mei

supporting information, p. 2710 - 2714 (2012/11/07)

As heterogeneous catalysts and nanoparticle support materials, CNTs have attracted great interest in organic chemistry. This paper reports facile CuO/CNTs-catalyzed cyclization to form furan derivatives from electron-deficient alkynes and α-hydroxy ketones. It represents a facile synthetic route, and the eco-friendly catalyst can be easily separated by filtration and reused.

Transition-metal-catalyzed domino reactions: Efficient one-pot regiospecific synthesis of highly functionalized polysubstituted furans from electron-deficient alkynes and 2-Yn-1-ols

Cao, Hua,Jiang, Huanfeng,Huang, Huawen

, p. 1019 - 1036 (2011/05/14)

Based on the reactive behavior of different transition-metal catalysts, three methods for the synthesis of highly functionalized polysubstituted furan derivatives are presented: (i) copper(I) iodide catalyzed regiospecific synthesis of furan aldehydes/ketones from alkynols and diethyl but-2-ynedioate under atmospheric pressure; (ii) nano-Cu-catalyzed domino process for the regioselective synthesis of -carbonylfurans from readily accessible starting materials; (iii) silver-catalyzed one-pot cyclization in toluene at 50 C for the synthesis of furan derivatives. It was notably that all the domino reactions were smooth under mild conditions with commercially available catalysts, and afforded highly functionalized furans in moderate to good yields. As we know, furans derivatives are extremely useful organic molecules used as synthetic building blocks for the synthesis of more elaborate heterocyclic compounds. Georg Thieme Verlag Stuttgart.

Ruthenium-catalyzed coupling reaction of 2,3,5-trisubstituted furans with aryl halides through C-H bond cleavages

Cao, Hua,Zhan, Haiying,Shen, Dongsheng,Zhao, Hong,Liu, Yi

experimental part, p. 3086 - 3090 (2011/09/16)

A variety of functionalized furans were synthesized by way of a ruthenium-catalyzed coupling reaction of 2,3,5-trisubstituted furans with aryl halides through C-H bond cleavages. The feature of the reaction was facilitative preparation of furan derivative

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