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1114515-59-1

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1114515-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1114515-59-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,4,5,1 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1114515-59:
(9*1)+(8*1)+(7*1)+(6*4)+(5*5)+(4*1)+(3*5)+(2*5)+(1*9)=111
111 % 10 = 1
So 1114515-59-1 is a valid CAS Registry Number.

1114515-59-1Downstream Products

1114515-59-1Relevant articles and documents

Total synthesis of benzo[c]phenanthridine alkaloids based on a microwave-assisted electrocyclic reaction of the aza 6π-electron system and structural revision of broussonpapyrine

Ishihara, Yuhsuke,Azuma, Shuhei,Choshi, Tominari,Kohno, Kakujirou,Ono, Kanako,Tsutsumi, Hiroyuki,Ishizu, Takashi,Hibino, Satoshi

, p. 1320 - 1333 (2011/04/16)

Total syntheses of the des-N-methyl (nor) type of benzo[c]phenanthridine alkaloids 1a-f and 19 and benzo[c]phenanthridine alkaloids, chelerythrine (2d), and broussonpapyrine (2f) were achieved. The key step was the construction of tetracyclic 10,11-dihydrobenzo[c]phenanthridines using a microwave-assisted electrocyclic reaction of the 2-cycloalkenylbenzaldoxime methyl ether 4 as an aza 6π-electron system, which was derived in two steps from a Suzuki-Miyaura cross-coupling reaction of 2-bromobenzaldehyde 6 with 2-(3,4-dihydro-6,7- methylenedioxynaphthyl)boronic acid pinacol ester 7. In addition, the exact structure of broussonpapyrine (2f) (2,3,9,10-tetraoxygenated type) was determined to be chelerythrine (2d).

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