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131423-38-6

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131423-38-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131423-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,2 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131423-38:
(8*1)+(7*3)+(6*1)+(5*4)+(4*2)+(3*3)+(2*3)+(1*8)=86
86 % 10 = 6
So 131423-38-6 is a valid CAS Registry Number.

131423-38-6Relevant articles and documents

Synthesis of [1,4]Thiazino[4,3- a]indol-10-one Derivatives through Radical Anti Aza-Michael Addition of 2′-Aminochalcones

Zhang, Pingshun,Yang, Linjie,Chen, Wanzhi,Liu, Miaochang,Wu, Huayue

supporting information, p. 6094 - 6098 (2021/08/01)

An efficient method for the synthesis of [1,4]thiazino[4,3-a]indole derivatives using sodium chlorodifluoroacetate (ClCF2CO2Na) and elemental sulfur as the difluoromethylthiolating reagent system has been developed. Three-component reactions of 2′-aminochalcones, sulfur, and ClCF2CO2Na under basic conditions using TEMPO as the oxidant afforded [1,4]thiazino[4,3-a]indol-10-ones containing a difluoromethyl thioether moiety in good yields. Four bonds including one C-N, two C-S, and one C-C bonds are selectively formed in the sequential transformation process.

Aza analogs of flavones as potential antimicrobial agents

Sharma, Sahil,Thakur, Vikas,Ojha, Ritu,Budhiraja, Abhishek,Nepali, Kunal,Singh Bedi, Preet Mohinder

, p. 327 - 334 (2013/07/26)

In search for the new antimicrobial agents owing to drug resistant bacteria and fungi, a series of rationally designed aza analogs of flavones has been designed and synthesized. The design of the analogs involved incorporation of quinolone nucleus within

Palladium-catalyzed heteroannulation with acetylenic carbinols as synthons-synthesis of quinolines and 2,3-dihydro-4(1H)-quinolones

Mahanty, Jyan S.,De, Mahuya,Das, Palas,Kundu, Nitya G.

, p. 13397 - 13418 (2007/10/03)

o-Iodoanilides 4 reacted with terminal acetylenic carbinols 5 under palladium-catalyzed conditions to yield o-substituted anilides 6. Most of the anilides 6 could be cyclized with NaOEt/EtOH to 2-arylquinolines 2. o-Iodoanilines 7 reacted with carbinols 5 leading to 8 which on palladium(II) assisted cyclisation afforded substituted quinolines 2. An excellent synthesis of the alkaloid dubamine (2n) is reported. Also, the anilides 6 on acid-catalyzed rearrangement, deprotection and cyclisation led to the 2-aryl-2, 3-dihydro-4(1H)-quinolones 16.

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