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((2R,3S,4aR,8aS)-2-{3-[(2S,3R)-2-((S)-3-Benzyloxy-1-methyl-propyl)-tetrahydro-pyran-3-yloxy]-3-phenylsulfanyl-propyl}-3-methyl-octahydro-pyrano[3,2-b]pyran-3-yloxy)-tert-butyl-dimethyl-silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

856427-09-3

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856427-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 856427-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,4,2 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 856427-09:
(8*8)+(7*5)+(6*6)+(5*4)+(4*2)+(3*7)+(2*0)+(1*9)=193
193 % 10 = 3
So 856427-09-3 is a valid CAS Registry Number.

856427-09-3Relevant academic research and scientific papers

Convergent synthesis of the BCDEFGHIJ-ring polyether core of gambieric acids, potent antifungal polycyclic ethers

Sato, Kazushi,Sasaki, Makoto

, p. 5977 - 6003 (2008/02/07)

A convergent synthesis of the nonacyclic BCDEFGHIJ-ring polyether core of gambieric acids, potent antifungal polycyclic ether marine natural products, has been achieved. The present synthesis involved as key features: (i) convergent union of the BCD- and GHIJ-ring fragments through esterification, (ii) construction of the E-ring as a lactone form via reductive acetylation, (iii) stereoselective allylation to establish the C26 stereocenter, and (iv) ring-closing metathesis reaction to form the nine-membered F-ring.

Studies toward the total synthesis of gambieric acids, potent antifungal polycyclic ethers: Convergent synthesis of the CDEFG-Ring system

Sato, Kazushi,Sasaki, Makoto

, p. 2441 - 2444 (2007/10/03)

(Chemical Equation Presented) A convergent synthetic route to the CDEFG-ring system of gambieric acids, potent antifungal polycyclic ether marine natural products, has been developed. The present synthesis features convergent union of the CD- and G-rings

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