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1387571-52-9

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1387571-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1387571-52-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,7,5,7 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1387571-52:
(9*1)+(8*3)+(7*8)+(6*7)+(5*5)+(4*7)+(3*1)+(2*5)+(1*2)=199
199 % 10 = 9
So 1387571-52-9 is a valid CAS Registry Number.

1387571-52-9Relevant articles and documents

Ruthenium-catalyzed synthesis of highly substituted pyrroles from 1-vinylpropargyl alcohols and amines

Thies, Nora,Gerlach, Martin,Haak, Edgar

, p. 7354 - 7365 (2013)

Ruthenium-catalyzed atom-economic transformations of 1-vinylpropargyl alcohols with amines leading to highly substituted pyrroles in a one-pot cascade process are reported. The allylation/cycloisomerization sequence is catalyzed by a single ruthenium(0) complex that contains a redox-coupled dienone ligand and can be extended by an additional [3,3] rearrangement. The environmentally benign reactions allow the metal-catalyzed conversion of inexpensive and readily accessible materials to highly functionalized pyrroles with water as the only waste product. Ruthenium-catalyzed atom-economic transformations of 1-vinylpropargyl alcohols with primary amines leading to highly substituted pyrroles in a one-pot cascade process are reported. The allylation/ cycloisomerization cascade reaction generates water as the only waste product and the sequence can be extended by an additional [3,3] rearrangement by using secondary allylamines. Copyright

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