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1193641-53-0

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1193641-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1193641-53-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,3,6,4 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1193641-53:
(9*1)+(8*1)+(7*9)+(6*3)+(5*6)+(4*4)+(3*1)+(2*5)+(1*3)=160
160 % 10 = 0
So 1193641-53-0 is a valid CAS Registry Number.

1193641-53-0Downstream Products

1193641-53-0Relevant articles and documents

Synthesis of Benzo-Fused Cyclic Compounds via Rhodium-Catalyzed Decarboxylative Coupling of Aromatic Carboxylic Acids with Alkynes

Inai, Yasuhito,Usuki, Yoshinosuke,Satoh, Tetsuya

supporting information, p. 3029 - 3036 (2021/04/15)

The decarboxylative coupling of diversely substituted benzoic acids with internal alkynes proceeds smoothly in the presence of a [RhCl(cod)] 2/1,2,3,4-tetraphenyl-1,3-cyclopentadiene catalyst system to selectively produce highly substituted nap

Room Temperature Decarboxylative and Oxidative [2+2+2] Annulation of Benzoic Acids with Alkynes Catalyzed by an Electron-Deficient Rhodium(III) Complex

Honjo, Yusaku,Shibata, Yu,Kudo, Eiji,Namba, Tomoya,Masutomi, Koji,Tanaka, Ken

supporting information, p. 317 - 321 (2017/11/01)

It has been established that an electron-deficient (η5-cyclopentadienyl)rhodium(III) [CpERhIII] complex is capable of catalyzing the decarboxylative and oxidative [2+2+2] annulation of benzoic acids with alkynes to produce substituted naphthalenes at room temperature. The appropriate choice of the additive and the solvent is crucial for this transformation. This catalyst system allowed use of oxygen as a terminal oxidant and broadened the substrate scope including both aromatic and aliphatic alkynes. In this catalysis, the electron deficient nature of the CpERhIII catalyst would cause the strong rhodium-π interaction, which accelerates the decarboxylation as well as the C?H bond cleavage.

Solvent free, phosphine free Pd-catalyzed annulations of aryl bromides with diarylacetylenes

Bej, Ansuman,Chakraborty, Amarnath,Sarkar, Amitabha

, p. 15812 - 15819 (2013/09/12)

Palladium nanoparticles and sodium acetate catalyze the reaction of aryl bromide with diarylacetylene to produce annulated products in good yield. One equivalent of PEG-600 serves as the solvent. This procedure is compatible with a wide variety of functional groups.

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