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58658-41-6

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58658-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58658-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,6,5 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58658-41:
(7*5)+(6*8)+(5*6)+(4*5)+(3*8)+(2*4)+(1*1)=166
166 % 10 = 6
So 58658-41-6 is a valid CAS Registry Number.

58658-41-6Downstream Products

58658-41-6Relevant articles and documents

Transition-Metal-Free Synthesis of Acridones via Base-Mediated Intramolecular Oxidative C?H Amination

Wei, Wen-Tao,Sheng, Jian-Fei,Miao, Hui,Luo, Xiang,Song, Xian-Heng,Yan, Ming,Zou, Yong

, p. 2101 - 2106 (2018/06/14)

Intramolecular oxidative C?H amination of 2-aminobenzophenones was achieved in the presence of potassium tert-butoxide and dimethyl sulfoxide. A series of functionalized acridones were prepared in moderate to excellent yields in a mild, efficient, and transition-metal-free manner. (Figure presented.).

Sc(OTf)3-catalyzed dehydrogenative cyclization for synthesis of N-methylacridones

Li, Xi-An,Wang, Hong-Li,Yang, Shang-Dong

, p. 1794 - 1797 (2013/05/23)

A novel method has been developed for the synthesis of substituted N-methylacridones from 2-(N-methyl-N-phenylamino)benzaldehydes via dehydrogenative cyclization. This transformation involves two primary processes: the aldehyde first coordinates with Sc(OTf)3 and induces the aromatic electrophilic substitution (SEAr) reaction to form the active intermediate N-methyl-acridin-9-ol, which is then quickly oxidized in situ to afford the acridones. Furthermore, the procedure involved is both environmental friendly and atom efficient; H2O is the only byproduct in this reaction.

Copper-catalyzed intramolecular oxidative C-H functionalization and C-N formation of 2-aminobenzophenones: Unusual pseudo-1,2-shift of the substituent on the aryl ring

Huang, Pang-Chi,Parthasarathy, Kanniyappan,Cheng, Chien-Hong

supporting information, p. 460 - 464 (2013/02/23)

A good move: A copper-catalyzed intramolecular oxidative C-H functionalization of 2-aminobenzophenone affords two regioisomeric acridones (see scheme). The reaction involves an unusual pseudo-1,2-migration of R 2 group(s) on the arene ring (bpy=2,2-bipyridine, DMAc=dimethylacetimide). Copyright

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