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1355043-43-4

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1355043-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1355043-43-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,0,4 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1355043-43:
(9*1)+(8*3)+(7*5)+(6*5)+(5*0)+(4*4)+(3*3)+(2*4)+(1*3)=134
134 % 10 = 4
So 1355043-43-4 is a valid CAS Registry Number.

1355043-43-4Downstream Products

1355043-43-4Relevant articles and documents

Cascade syntheses routes to the centrocountins

Eschenbrenner-Lux, Vincent,Dückert, Heiko,Khedkar, Vivek,Bruss, Hanna,Waldmann, Herbert,Kumar, Kamal

, p. 2294 - 2304 (2013/03/28)

Cascade and domino reactions that proceed through multiple steps in one pot and include multiple bond formations are promising methods for the rapid and efficient generation of complex molecular architectures, including the scaffolds of classes of complex natural product. We describe the development of various one-pot cascade reaction sequences to yield centrocountins, which are tetracyclic indole derivatives with the basic scaffold of numerous polycyclic alkaloids. The mechanistic investigation of a sequence employing readily available alkynes and 3-formylchromones as starting materials provided evidence that this one-pot synthesis proceeds through at least twelve consecutive transformations and includes at least nine different chemical reactions, making it the longest cascade reaction sequence known to date. We describe the scope and limitations of the cascade synthesis approaches and the development of an enantioselectively catalyzed centrocountin synthesis. Rolling transformations! Various cascade synthesis routes that employ easily accessible substrates and provide efficient access to diverse tetrahydroquinolizines are disclosed (see figure). Mechanistic insights into the long cascade process that gives centrocountins are also presented. Copyright

Substituted indolo [2,3-a] quinolizines in the treatment of cancer

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Page/Page column 27-28, (2013/02/27)

The present invention relates to novel substituted indolo [2,3-a] quinolizines of the general formula (I) and stereoisomeric forms thereof and/or pharmaceutically acceptable salts of these compounds as well as pharmaceutical compositions containing at least one of these substituted indolo [2,3-a] quinolizines together with pharmaceutically acceptable carrier, excipient and/or diluents. Said novel substituted indolo [2,3-a] quinolizines have been identified as useful for the prophylaxis and treatment of cancer by the induction of strong mitotic delays, chromosomal misalignments and mitotic tri- and multipolarization leading to cell cycle stop and apoptosis. Furthermore a synthesis for preparation of the substituted indolo [2,3-a] quinolizines is disclosed in the present invention.

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