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84072-28-6

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84072-28-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84072-28-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,7 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84072-28:
(7*8)+(6*4)+(5*0)+(4*7)+(3*2)+(2*2)+(1*8)=126
126 % 10 = 6
So 84072-28-6 is a valid CAS Registry Number.

84072-28-6Relevant articles and documents

Total Synthesis of -Mitrephorone A

Richter, Matthieu J. R.,Schneider, Michael,Brandst?tter, Marco,Krautwald, Simon,Carreira, Erick M.

, p. 16704 - 16710 (2018/12/14)

The first synthesis of mitrephorone A is disclosed along with discussion and study of synthetic strategies. The natural product includes a highly congested hexacyclic ent-trachylobane diterpenoid framework featuring a rare, embedded oxetane. The synthetic analysis presented dissects a number of approaches for the synthesis of the central oxetane, including carbonyl-olefin photocycloadditions, Prins-type cyclizations, and oxidative ring closures. In the successful route, three [4 + 2] cycloadditions enable rapid construction of all carbocycles. A novel late-stage oxidative cyclization of a hydroxy diosphenol with Koser's reagent furnishes the pivotal oxetane moiety.

Total Synthesis of (+/-)-Methyl Phaseates

Takahashi, Shunya,Oritani, Takayuki,Yamashita, Kyohei

, p. 1589 - 1596 (2007/10/02)

(+/-)-Methyl phaseates were synthesized from (+/-)-4-(6'-acetoxymethyl-2'-6'-dimethyl-1'-cyclohexen-1'-yl)-but-3-en-2-one (20), which was prepared from a useful terpenoid building block, (+/-)-2-hydroxymethyl-2,6-dimethyl-1-cyclohexanone (11a and 11b).Pho

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