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137170-74-2

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137170-74-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137170-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,7 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137170-74:
(8*1)+(7*3)+(6*7)+(5*1)+(4*7)+(3*0)+(2*7)+(1*4)=122
122 % 10 = 2
So 137170-74-2 is a valid CAS Registry Number.

137170-74-2Downstream Products

137170-74-2Relevant articles and documents

Copper-Catalyzed Intermolecular Functionalization of Unactivated C(sp3)-H Bonds and Aliphatic Carboxylic Acids

Mao, Runze,Bera, Srikrishna,Turla, Aurélya Christelle,Hu, Xile

supporting information, p. 14667 - 14675 (2021/09/18)

Intermolecular functionalization of C(sp3)-H bonds and aliphatic carboxylic acids enables the efficient synthesis of high value-added organic compounds from readily available starting materials. Although methods involving hydrogen atom transfer have been developed for such functionalization, these methods either work for only activated C(sp3)-H bonds or bring in a narrow set of functional groups. Here we describe a Cu-catalyzed process for the diverse functionalization of both unactivated C(sp3)-H bonds and aliphatic carboxylic acids. The process is enabled by the trapping of alkyl radicals generated through hydrogen atom abstraction by arylsulfonyl-based SOMO-philes, which introduces a large array of C, N, S, Se, and halide-based functional groups. The chemoselectivity can be switched from C-H functionalization to decarboxylative functionalization by matching the bond dissociation energy of the hydrogen atom transfer reagent with that of the target C-H or O-H bond.

Reductive Addition of Alkyl Radical to Phenyl Vinyl Sulfone

Togo, Hideo,Aoki, Masahiko,Yokoyama, Masataka

, p. 2169 - 2172 (2007/10/02)

Radicals generated from (diacyloxyiodo)benzene readily added to phenyl vinyl sulfone to give 2-alkylethyl phenyl sulfone in the presence of a hydrogen donor such as 1,4-cyclohexadiene, 1,3-dioxolane, or triethylsilane.Among these donors, 1,4-cyclohexadien

SOME FURTHER NOVEL TRANSFORMATIONS OF GEMINAL (PYRIDINE-2-THIYL) PHENYLSULPHONES

Barton, Derek H. R.,Boivin, Jean,Sarma, Jadab,Silva, Elisabeth da,Zard, Samir Z.

, p. 4237 - 4240 (2007/10/02)

Geminal (pyridine-2-thiyl) phenylsulphones, obtained by decarboxylative radical addition of O-acyl derivatives of N-hydroxy-2-thiopyridone onto phenyl vinyl sulphone, undergo a wide variety of further transformations when subjected to sodium telluride or to organoaluminum reagents.

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