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197250-70-7

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197250-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197250-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,2,5 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 197250-70:
(8*1)+(7*9)+(6*7)+(5*2)+(4*5)+(3*0)+(2*7)+(1*0)=157
157 % 10 = 7
So 197250-70-7 is a valid CAS Registry Number.

197250-70-7Downstream Products

197250-70-7Relevant articles and documents

DIHYDROPTERIDINONE DERIVATIVES, PREPARATION PROCESS AND PHARMACEUTICAL USE THEREOF

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Page/Page column 43-44, (2012/08/08)

Dihydroperidinone derivatives, preparation process and pharmaceutical use thereof are disclosed. Specially, new dihydroperidinone derivatives represented by general formula (I), wherein each substituent of the general formula (I) is defined as in the description, their preparation process, pharmaceutical compositions comprising said derivatives and their use as therapeutical agents, especially as Plk kinase inhibitors are disclosed.

Desymmetrization of bicyclo[3.3.0]octane-3,7-dione by the Schmidt reaction: An easy synthesis of tecomanine

Vidari, Giovanni,Tripolini, Marco,Novella, Pietro,Allegrucci, Patrizio,Garlaschelli, Luigi

, p. 2893 - 2903 (2007/10/03)

The C(2v) symmetry of cis-bicyclo[3.3.0]octane-3,7-dione 1 was altered by a selective Schmidt reaction to give the 3-azabicyclo[4.3.0]nonane building block 3b which was employed in a short synthesis of (±)-tecomanine 4. Asymmetric Schmidt reaction on 1, employing (2S,4R)-2-azido-4-hydroxypentane 14 as a chiral inducer, showed encouraging levels of enantiotopic methylene group stereodifferentiation.

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