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22190-47-2

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22190-47-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22190-47-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,9 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22190-47:
(7*2)+(6*2)+(5*1)+(4*9)+(3*0)+(2*4)+(1*7)=82
82 % 10 = 2
So 22190-47-2 is a valid CAS Registry Number.

22190-47-2Downstream Products

22190-47-2Relevant articles and documents

Photochemical C?H Hydroxyalkylation of Quinolines and Isoquinolines

Bieszczad, Bartosz,Perego, Luca Alessandro,Melchiorre, Paolo

supporting information, p. 16878 - 16883 (2019/11/13)

We report herein a visible light-mediated C?H hydroxyalkylation of quinolines and isoquinolines that proceeds via a radical path. The process exploits the excited-state reactivity of 4-acyl-1,4-dihydropyridines, which can readily generate acyl radicals upon blue light absorption. By avoiding the need for external oxidants, this radical-generating strategy enables a departure from the classical, oxidative Minisci-type pattern and unlocks a unique reactivity, leading to hydroxyalkylated heteroarenes. Mechanistic investigations provide evidence that a radical-mediated spin-center shift is the key step of the process. The method's mild reaction conditions and high functional group tolerance accounted for the late-stage functionalization of active pharmaceutical ingredients and natural products.

Synthesis of some 6,7-dimethoxy isoquinolines containing benzoyl or alpha-hydroxybenzyl substitutions at position 1

Mahuzier,Hamon

, p. 687 - 690 (2007/10/04)

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