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862387-07-3

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862387-07-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 862387-07-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,2,3,8 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 862387-07:
(8*8)+(7*6)+(6*2)+(5*3)+(4*8)+(3*7)+(2*0)+(1*7)=193
193 % 10 = 3
So 862387-07-3 is a valid CAS Registry Number.

862387-07-3Relevant articles and documents

Synthesis of optically active (+)-2-benzyl-, (+)-2-octyl-, and (+)-2-tetradec-5′-enylcyclobutanones via metallated chiral imines or hydrazones

Hazelard, Damien,Fadel, Antoine

, p. 2067 - 2070 (2007/10/03)

A practical asymmetric synthesis of (R)-2-benzyl-, (S)-2-octyl-, and (S)-2-tetradec-5′-enylcyclobutanones was investigated using enantiopure (S)-α-methylbenzylamine, (R)-methoxymethylbenzylamine, or hydrazine (RAMP). These amines were treated with cyclobutanone to afford the corresponding imines or hydrazones, respectively. Metallation of these imine derivatives followed by alkylation with n-octylbromide, benzylbromide, or tetradec-5-enylbromide gave, after hydrolysis, (S)-2-octylcyclobutanone and for the first time optically active (R)-2-benzylcyclobutanone and (S)-2-tetradec-5′-enylcyclobutanone (TECB) with 67-87% ee. The absolute configuration was also established.

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