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14β-hydroxy-17β-toluenesulfonyloxy-3-methoxy-7α-methylestra-1,3,5(10)-triene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

779340-20-4

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779340-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 779340-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,9,3,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 779340-20:
(8*7)+(7*7)+(6*9)+(5*3)+(4*4)+(3*0)+(2*2)+(1*0)=194
194 % 10 = 4
So 779340-20-4 is a valid CAS Registry Number.

779340-20-4Downstream Products

779340-20-4Relevant academic research and scientific papers

The synthesis of functionalized 13,14-seco-steroids via Grob fragmentation

Khripach, Vladimir A.,Zhabinskii, Vladimir N.,Fando, Galina P.,Kuchto, Alla I.,Lyakhov, Alexander S.,Govorova, Alla A.,Groen, Marinus B.,Van Der Louw, Jaap,De Groot, Aede

, p. 495 - 499 (2004)

A synthetic methodology for the synthesis of 13,14-seco-steroids with substituents at C-14 and C-17 is described. The approach involves Grob fragmentation of 14β-hydroxy-17β-tosylates, hydroboration-oxidation of the intermediate Δ13(17)-olefin, and hydride reduction of the 14-ketone. An unambiguous structural assignment of (13R,14S,17S)-14,17- diacetoxy-3-methoxy-7α-methyl-13,14-secoestra-1,3,5(10)-triene was determined by X-ray analysis.

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