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Benzene, 1-methoxy-4-(2-methyl-3-butenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140836-83-5

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140836-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140836-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,3 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 140836-83:
(8*1)+(7*4)+(6*0)+(5*8)+(4*3)+(3*6)+(2*8)+(1*3)=125
125 % 10 = 5
So 140836-83-5 is a valid CAS Registry Number.

140836-83-5Downstream Products

140836-83-5Relevant academic research and scientific papers

Regioselective cross-coupling of allylindium reagents with activated benzylic bromides-a simple and efficient procedure for the synthesis of terminal alkenes

Ranu, Brindaban C.,Banerjee, Subhash,Adak, Laksmikanta

, p. 7374 - 7379 (2008/03/13)

Allylindium reagents undergo facile and highly regioselective cross-coupling with benzylic and cinnamyl bromides in THF at room temperature without any catalyst producing terminal alkenes in high yields. The addition is highly regioselective and is found to provide γ-adducts in all reactions.

A facile synthesis of 1,5-dienes by a regioselective allylation of the allylic arbanions generated from allyl phenyl selenides

Nishitani,Mimaki,Sato,Yamakawa

, p. 288 - 290 (2007/10/02)

Allyl-allyl or benzyl coupling reactions were effected by allyl carbanions, generated from allyl phenyl selenides and n-butyllithium, and allylic or benzylic halides. The ambident selectivities of the allyl carbanions are depending on the solvent system.

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