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17283-02-2

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17283-02-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17283-02-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,8 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17283-02:
(7*1)+(6*7)+(5*2)+(4*8)+(3*3)+(2*0)+(1*2)=102
102 % 10 = 2
So 17283-02-2 is a valid CAS Registry Number.

17283-02-2Downstream Products

17283-02-2Relevant articles and documents

DABCO-mediated decarboxylative cyclization of isatoic anhydride with aroyl/heteroaroyl/alkoylacetonitriles under microwave conditions: Strategy for the synthesis of substituted 4-quinolones

Hussain, Sahid,Rao, Mugada Sugunakara

, (2021/06/15)

An efficient, 1,4-diazabicyclo[2.2.2]octane(DABCO)-mediated decarboxylative cyclization of isatoic anhydrides with active methylene groups namely aroyl/heteroaroyl/alkoylacetonitriles under microwave condition was developed for the synthesis of substituted 4-quinolones. This method utilizes commercially available substrates, occurs under mild conditions, short reaction time, good to excellent yields, easy scale-up, and is compatible with a wide substrate scope. 4-Quinolones (3) obtained by this DABCO-mediated approach were further explored in order to evaluate their synthetic applicability. Initially, 4-quinolone derivatives were efficiently transformed into corresponding 4-Chloro-2-phenyl-quinoline-3-carbonitriles. Further, 2,4-Diphenyl-quinoline-3-carbonitriles were prepared by palladium catalyzed Suzuki-Miyaura cross-coupling of 4-Chloro-2-phenyl-quinoline-3-carbonitrile with aryl boronic acids.

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