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Benzenemethanol, a-[2-(phenylsulfonyl)-2-butenyl]-, (E)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139766-22-6

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139766-22-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139766-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,6 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139766-22:
(8*1)+(7*3)+(6*9)+(5*7)+(4*6)+(3*6)+(2*2)+(1*2)=166
166 % 10 = 6
So 139766-22-6 is a valid CAS Registry Number.

139766-22-6Relevant academic research and scientific papers

Stereoselective synthesis of substituted tetrahydrofurans using 5-Endo- trig cyclisation reactions

Craig, Donald,Ikin, Neil J.,Mathews, Neil,Smith, Alison M.

, p. 13471 - 13494 (2007/10/03)

Sulfonyl-substituted homoallylic alcohols undergo 5-endo-trig cyclisation reactions on treatment with base, with cyclisation stereoselectivity depending on double bond geometry.

Stereoselective Synthesis of 2,5-Dialkyl-3-(phenylsulfonyl) Tetrahydrofurans via Cyclisation of Z-Sulfonyl-substituted Homoallylic Alcohols

Craig, Donald,Ikin, Neil J.,Mathews, Neil,Smith, Alison M.

, p. 7531 - 7534 (2007/10/02)

Z-Sulfonyl-substituted homoallylic alcohols 3 underwent highly anti-selective base-mediated 5-endo-trig cyclisation reactions to give 2,5-dialkyl-3-phenylsulfonyl tetrahydrofurans anti-2.A simple steric model is proposed to account for the high selectivit

Stereoselective synthesis of 3-(phenylsulphonyl)-2,5 disubstituted tetrahydrofurans via 5-endo-trig ring-closure reactions

Craig,Smith

, p. 695 - 698 (2007/10/02)

The synthesis and stereoselective 5-endo-trig cyclization reactions of a series of sulphonyl-substituted homoallylic alcohols are reported. Some competing reactions are described, and a model is proposed to account for the observed stereoselectivity.

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