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139426-88-3

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139426-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139426-88-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,2 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139426-88:
(8*1)+(7*3)+(6*9)+(5*4)+(4*2)+(3*6)+(2*8)+(1*8)=153
153 % 10 = 3
So 139426-88-3 is a valid CAS Registry Number.

139426-88-3Relevant articles and documents

Studies toward the total synthesis of Cytospolide E

Vadhadiya, Paresh M.,Rout, Jeetendra K.,Ramana

, p. 9088 - 9094 (2015)

In this manuscript, we describe various approaches that we have examined towards the total synthesis of Cytospolide E. We initially attempted the RCM approach employing first and second generation Grubbs and Grubbs-Hoyeda catalysts resulting in the exclus

Direct Entry to 4,10-Didesmethyl (9S)-Dihydroerythronolide A via Catalytic Allene Osmylation

Yu, Libing,Wang, Huan,Akhmedov, Novruz G.,Sowa, Christopher,Liu, Kai,Kim, Hiyun,Williams, Lawrence

, p. 2868 - 2871 (2016/07/06)

Desmethyl erythronolides have emerged as macrolide targets that may prove effective against resistant bacteria. A five-step sequence to 4,10-didesmethyl (9S)-dihydroerythronolide A (1) from known cyclic bis[allene] 13 is reported. Key structural and mechanistic aspects of the synthesis are discussed along with catalytic allene osmylation. An improved route to 13 is also described.

The first stereoselective total synthesis of the Z-isomer of cytospolide e

Yadav,Pandurangam,Suman Kumar,Adi Narayana Reddy,Prasad,Reddy, B.V. Subba,Rajendraprasad,Kunwar

, p. 6048 - 6050 (2012/11/07)

A convergent and highly stereoselective total synthesis of the Z-isomer of cytospolide E has been achieved via Evan's aldol reaction, Sharpless kinetic resolution and RCM cyclisation.

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