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1360873-01-3

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1360873-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1360873-01-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,0,8,7 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1360873-01:
(9*1)+(8*3)+(7*6)+(6*0)+(5*8)+(4*7)+(3*3)+(2*0)+(1*1)=153
153 % 10 = 3
So 1360873-01-3 is a valid CAS Registry Number.

1360873-01-3Relevant articles and documents

Total synthesis of (-)-brevenal: A streamlined strategy for practical synthesis of polycyclic ethers

Ebine, Makoto,Fuwa, Haruhiko,Sasaki, Makoto

, p. 13754 - 13761 (2011)

We describe a streamlined strategy for the practical synthesis of trans-fused polycyclic ethers and its application to a concise total synthesis of (-)-brevenal, a new pentacyclic polyether natural product with intriguing biological activities. The B-, D-, and E-rings were constructed by TEMPO/PhI(OAc)2-mediated oxidative lactonization of the corresponding 1,6-diols, with minimal need for manipulation of oxygen functionalities. The B- and E-ring lactones were appropriately functionalized by Suzuki-Miyaura coupling of lactone-derived enol phosphates and subsequent stereoselective hydroboration. The A-ring was formed by our mixed thioacetalization methodology. The AB- and DE-ring fragments were assembled through Suzuki-Miyaura coupling, and the C-ring was forged in the same manner as that for the A-ring. More than two grams of the pentacyclic polyether core of (-)-brevenal have been synthesized by the synthetic route developed in this study.

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