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1-(Toluene-4-sulfonyl)-6-vinyl-2,3,4,7-tetrahydro-1H-azepine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

213331-31-8

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213331-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213331-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,3,3 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 213331-31:
(8*2)+(7*1)+(6*3)+(5*3)+(4*3)+(3*1)+(2*3)+(1*1)=78
78 % 10 = 8
So 213331-31-8 is a valid CAS Registry Number.

213331-31-8Relevant academic research and scientific papers

Synthesis of (+)-anatoxin-a using enyne metathesis

Mori, Miwako,Tomita, Tomohiro,Kita, Yoichi,Kitamura, Tsuyoshi

, p. 4397 - 4399 (2004)

Synthesis of N-tosylanatoxin-a was achieved by metathesis of enyne in cis-substituents on a pyrrolidine derivative. Metathesis reactions of enyne having terminal alkyne using various ruthenium-carbene complexes did not give a good results. However, when t

Further studies on enantioselective synthesis of (+)-anatoxin-a using enyne metathesis: unexpected inversion of chirality via a skeletal rearrangement of 9-azabicyclo[4.2.1]nonene derivative

Tomita, Tomohiro,Kita, Yoichi,Kitamura, Tsuyoshi,Sato, Yoshihiro,Mori, Miwako

, p. 10518 - 10527 (2007/10/03)

The formal total synthesis of (+)-anatoxin-a was accomplished using enyne metathesis as a key step. It is very interesting that (+)-anatoxin-a was synthesized from (S)-pyroglutamic acid via an unusual inversion of chirality, which is rationalized in terms

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