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147611-22-1

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147611-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147611-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,6,1 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 147611-22:
(8*1)+(7*4)+(6*7)+(5*6)+(4*1)+(3*1)+(2*2)+(1*2)=121
121 % 10 = 1
So 147611-22-1 is a valid CAS Registry Number.

147611-22-1Relevant articles and documents

Chemodivergent Spirocyclization of 2-Sec-Aminobenzilidene Imidazolones: Lewis Versus Br?nsted Acids Catalysis

Baleeva, Nadezhda S.,Baranov, Mikhail S.,Gluschenko, Darya A.,Ivanov, Dmitrii S.,Mikhaylov, Andrey A.,Rustamova, Dina A.,Smirnov, Alexander Yu.,Sycheva, Maria A.,Zaitseva, Elvira R.

, p. 1587 - 1595 (2022/04/12)

Benzylidene imidazolones with ortho- secondary aminogroup undergo acid-promoted chemodivergent spirocyclization. Strong Lewis acids provide access to spirocyclic tetrahydroquinolines via [1,5]-hydride shift triggered cyclization despite of the presence of

Phosphine-Catalyzed Reaction between 2-Aminobenzaldehydes and Dialkyl Acetylenedicarboxylates: Synthesis of 1,2-Dihydroquinoline Derivatives and Toward the Development of an Olefination Reaction

Han, Xu,Saleh, Nidal,Retailleau, Pascal,Voituriez, Arnaud

, p. 4584 - 4588 (2018/08/09)

A series of 1,2-dihydroquinolines were synthesized in good to excellent yields by reacting 2-aminobenzaldehyde derivatives and dialkyl acetylenedicarboxylates with catalytic amounts of phosphine. This reaction was rendered catalytic by the selective in situ phosphine oxide reduction with the use of phenylsilane. Furthermore, with the same starting materials and with an additional role of the reducing agent, a new olefination reaction was discovered. Hydrogen/deuterium (H/D) exchange experiments revealed the possible mechanism of this reaction.

Two Component Recyclable Heterogeneous Catalyst, Process for Preparation Thereof and its Use for Preparation of Amines

-

Page/Page column 5, (2012/01/13)

The invention describes the development of highly efficient, recyclable two component system, CuAl-hydrotalcite/rac 1,1′-Binaphthalene-2,2′-diol catalytic system for the N-alkylation of electron deficient aryl chlorides in presence of potassium carbonate as a base at room temperature in 3-6 h, wherein the process is provided for the preparation of various secondary amines via C—N coupling reaction of aliphatic amines(aliphatic open chain, acyclic, benzyl amines and heterocyclic amines) with various aryl chlorides.

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