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910138-81-7

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910138-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 910138-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,0,1,3 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 910138-81:
(8*9)+(7*1)+(6*0)+(5*1)+(4*3)+(3*8)+(2*8)+(1*1)=137
137 % 10 = 7
So 910138-81-7 is a valid CAS Registry Number.

910138-81-7Relevant articles and documents

CEPHALOTAXUS ESTERS, METHODS OF SYNTHESIS, AND USES THEREOF

-

, (2009/12/28)

The present invention provides novel cephalotaxus esters, syntheses thereof, and intermediates thereto. The invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of using said compounds or compositions in the treatment of proliferative diseases (e.g., benign neoplasm, cancer, inflammatory disease, autoimmune disease, diabetic retinopathy) and infectious disease. The invention further provides methods of using said compounds or compositions in the treatment of multidrug resistant cancer.

Strain-release rearrangement of N-vinyl-2-arylaziridines. Total synthesis of the anti-leukemia alkaloid (-)-deoxyharringtonine

Eckelbarger, Joseph D.,Wilmot, Jeremy T.,Gin, David Y.

, p. 10370 - 10371 (2007/10/03)

Deoxyharringtonine (1) is among the most potent of the anti-leukemia alkaloids isolated from the Cephalotaxus genus. A convergent total synthesis of (-)-1 is reported, involving novel synthetic methods and strategies that include (1) the strain-release rearrangement of N-aryl-2-vinylaziridines for [3]benzazepine synthesis, (2) a vinylogous amide acylation-cycloaddition cascade for spiro-pyrrolidine construction, and (3) efficient acylation of the cephalotaxine core by α-(β-lactone)carboxylic acid derivatives to access the biologically active cephalotaxus esters. These innovations should allow rapid access not only to other Cephalotaxus alkaloids but also to non-natural analogues of potential therapeutic utility. Copyright

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