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1569076-53-4

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1569076-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1569076-53-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,9,0,7 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1569076-53:
(9*1)+(8*5)+(7*6)+(6*9)+(5*0)+(4*7)+(3*6)+(2*5)+(1*3)=204
204 % 10 = 4
So 1569076-53-4 is a valid CAS Registry Number.

1569076-53-4Downstream Products

1569076-53-4Relevant articles and documents

A short asymmetric synthesis of octahydroindole derivatives by application of catalytic C(sp3)-H amination reaction

Mazurais, Marie,Lescot, Camille,Retailleau, Pascal,Dauban, Philippe

, p. 66 - 79 (2014/01/06)

The stereoselective synthesis of octahydroindole derivatives is reported according to 3-4-step sequences. The strategy relies on our previously developed catalytic asymmetric C(sp3)-H amination reaction. Its application to cyclic enol triflates affords allylic amines in good yields and stereoselectivity. The C-H functionalization step, then, is followed by a Heck coupling reaction, a Mitsunobu reaction and a final intramolecular cycloaddition reaction thereby leading to the isolation of the expected heterocyclic compounds with an overall yield of up to 69 %. In addition, the chirality introduced in the intermolecular C(sp3)-H amination reaction allows controlling the configuration of the three other stereocenters created in the intramolecular cycloaddition reaction. A second sequence starts from benzocyclobutene and affords fused benzo-octahydroindole derivatives over three steps. The short stereoselective synthesis of octahydroindole derivatives is reported. Catalytic asymmetric C(sp3)-H amination reactions and stereoselective intramolecular cycloaddition reactions are the key steps of the strategy that affords an efficient versatile access to molecular diversity. Copyright

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