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1440422-65-0

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1440422-65-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1440422-65-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,4,2 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1440422-65:
(9*1)+(8*4)+(7*4)+(6*0)+(5*4)+(4*2)+(3*2)+(2*6)+(1*5)=120
120 % 10 = 0
So 1440422-65-0 is a valid CAS Registry Number.

1440422-65-0Downstream Products

1440422-65-0Relevant articles and documents

Base-promoted, CBr4-mediated tandem bromination/intramolecular Friedel-Crafts alkylation ofN-aryl enamines: a facile access to 1H- And 3H-indoles

Li, Fangyi,Li, Zheng,Qiu, Changfu,Wang, Chunhua,Yin, Guangwei,Zhao, Lan,Zhao, Lixin

, p. 5377 - 5382 (2021)

Described here is a general and highly efficient method for the synthesis of 1H- and 3H-indoles. In the presence of CBr4and a suitable base, the cyclization ofN-aryl enamines proceeds with high efficiency. Unlike previous intramolecular cross d

Iodide-Ion-Catalyzed carbon-carbon bond-forming cross-dehydrogenative coupling for the synthesis of indole derivatives

Jia, Zhenhua,Nagano, Takashi,Li, Xingshu,Chan, Albert S. C.

supporting information, p. 858 - 861 (2013/03/14)

The nBu4NI-catalyzed intramolecular cross-dehydrogenative coupling (CDC) reaction has been applied to the synthesis of 1H-indole derivatives. Intramolecular oxidative coupling of N-arylenamines proceeded in the presence of a catalytic amount of nBu4NI and tert-butyl hydroperoxide (TBHP) to afford the corresponding 1H-indole derivatives in good-to-excellent yields. A preliminary study of the synthesis of 3H-indole is also reported. This is a rare example of the nBu4NI-catalyzed C-C bond-forming CDC reaction. Copyright

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