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(5R,8R)-3,8-dimethyl-1-methoxy-5-[(S)-1-methyl-2-(p-tolylsulfonyl)oxyethyl]-5,6,7,8-tetrahydronaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

181698-25-9

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181698-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 181698-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,6,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 181698-25:
(8*1)+(7*8)+(6*1)+(5*6)+(4*9)+(3*8)+(2*2)+(1*5)=169
169 % 10 = 9
So 181698-25-9 is a valid CAS Registry Number.

181698-25-9Relevant academic research and scientific papers

Enantiospecific syntheses of pseudopterosin aglycones. Part 2. Synthesis of pseudopterosin K-L aglycone and pseudopterosin A-F aglycone via a B→BA→BAC annulation strategy

Kocienski,Pontiroli,Qun

, p. 2356 - 2366 (2007/10/03)

The enantiomeric aglycones of pseudopterosins K-L and A-F are synthesised from (-)- and (+)-isopulegol respectively. Key features are (a) the construction of the C3 stereogenic centre by a directed epoxidation-reduction sequence (K-L); (b) the creation of

A synthetic approach to the pseudopterosins

Gill, Simon,Kocienski, Philip,Kohler, Andrew,Pontiroli, Alessandro,Qun, Liu

, p. 1743 - 1744 (2007/10/03)

Three Lewis acid catalysed reactions used in a synthesis of the tricyclic core of the marine anti-inflammatory pseudopterosins are reported; the reductive cleavage of an oxirane with inversion, the cyclisation of an α-hydroxy ketenedithioacetal to an aren

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