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741681-30-1

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741681-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 741681-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,1,6,8 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 741681-30:
(8*7)+(7*4)+(6*1)+(5*6)+(4*8)+(3*1)+(2*3)+(1*0)=161
161 % 10 = 1
So 741681-30-1 is a valid CAS Registry Number.

741681-30-1Relevant articles and documents

PROCESS FOR THE PREPARATION OF CHIRAL AMINES

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Page/Page column 9, (2008/06/13)

The invention relates to a process for the preparation of a chiral amine, whereby a ketone or aldehyde is contacted with an enantiomerically enriched phenylglycine amide to give an imine, whereby the imine is subsequently contacted with a Reformatsky reagent and the formed compound is subsequently converted into a chiral amine by means of hydrogenolysis, oxidation or a retro Strecker method.

Diastereoselective addition of allylzinc bromide to imines derived from (R)-phenylglycine amide

Van Der Sluis, Marcel,Dalmolen, Jan,De Lange, Ben,Kaptein, Bernard,Kellogg, Richard M.,Broxterman, Quirinus B.

, p. 3943 - 3946 (2007/10/03)

equation presented The highly diastereoselective addition of allylzinc bromide to imines derived from (R)-phenylglycine amide is reported. Homoallylamines with high enantiomeric purity are obtained from the adducts in three steps on removal of the chiral

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