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116444-16-7

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116444-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116444-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,4,4 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 116444-16:
(8*1)+(7*1)+(6*6)+(5*4)+(4*4)+(3*4)+(2*1)+(1*6)=107
107 % 10 = 7
So 116444-16-7 is a valid CAS Registry Number.

116444-16-7Downstream Products

116444-16-7Relevant articles and documents

Asymmetric total synthesis of filamentous fungi related resorcylic acid lactones 7-epi-zeaenol and zeaenol

Doda, Sai Reddy,Raghavendar, Avula,Haridasyam, Sharath Babu,Putta, Chandra Shekar,Rao, Bhattu Kanakadurga,Kadari, Sudhakar

, p. 78 - 84 (2019/06/06)

An efficient, short and, a convenient asymmetric total synthesis of filamentous fungi related resorcylic acid lactones 7-epi-zeaenol (2) and zeaenol (1) have been achieved in 7 and 9 linear steps with the high overall yield of 32% and 21% respectively, from the known intermediate 13. Mitsunobu inversion, De Brabander's protocol for macrolactonisation, Heck cross-coupling, diastereoselective alkyne aldehyde coupling and Ohira-Bestmann alkynylation are the key reactions.

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