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74754-99-7

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74754-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74754-99-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,5 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74754-99:
(7*7)+(6*4)+(5*7)+(4*5)+(3*4)+(2*9)+(1*9)=167
167 % 10 = 7
So 74754-99-7 is a valid CAS Registry Number.

74754-99-7Downstream Products

74754-99-7Relevant articles and documents

Free-radical carbo-oximation of olefins and subsequent radical-ionic cascades

Landais, Yannick,Robert, Frédéric,Godineau, Edouard,Huet, Laurent,Likhite, Nachiket

, p. 10073 - 10080 (2013)

A sequential carbo-formylation cascade has been developed, involving a free-radical carbo-oximation process, followed by the hydrolysis of the oxime ether. For this purpose, we designed a new SEM O-protected sulfonyl oxime, which enable both rapid radical addition and hydrolysis under mild conditions. The resulting aldehyde-esters were then engaged in various nucleophilic cascades, such as Sakurai allylations or domino-Mukaiyama aldol condensation/ lactonizations. Addition of an amine and TMSCN similarly led after Strecker reaction/lactamization to α-cyano-piperidinones in good overall yield. Finally, a Pictet-Spengler/lactamization sequence was devised, which open a new entry toward the tricyclic core of eburnan alkaloids.

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