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89357-35-7

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89357-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89357-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,5 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89357-35:
(7*8)+(6*9)+(5*3)+(4*5)+(3*7)+(2*3)+(1*5)=177
177 % 10 = 7
So 89357-35-7 is a valid CAS Registry Number.

89357-35-7Downstream Products

89357-35-7Relevant articles and documents

Chiral recyclable dimeric and polymeric Cr(III) salen complexes catalyzed aminolytic kinetic resolution of trans-aromatic epoxides under microwave irradiation

Kureshy, Rukhsana I.,Prathap, K. Jeya,Singh, Surendra,Agrawal, Santosh,Khan, Noor-Ul H.,Abdi, Sayed H.R.,Jasra, Raksh V.

, p. 809 - 815 (2007)

Aminolytic kinetic resolution (AKR) of trans-stilbene oxide and trans-β-methyl styrene oxide proceeded smoothly under microwave irradiation using chiral dimeric and polymeric Cr(III) salen complexes as efficient catalysts, giving regio-, diastereo-, and enantioselective anti-β-amino alcohols in high yields (49%) and chiral purity (ee up to 94%) in case of 4-methylaniline within 2 min. The kinetic resolution system is approximately five times faster than traditional oil bath heating at 70°C and 420 times faster than the reaction conducted at room temperature with concomitant recovery of respective chirally enriched epoxides (ee, 92%) in excellent yields (up to 48%). The catalyst 1 worked well in terms of enantioselectivity than the catalyst 2, but both the catalysts were easily recovered and reused five times with the retention of its efficiency.

Asymmetric ring opening of meso-epoxides with aromatic amines catalyzed by a new proline-based N,N′-dioxide-indium tris(triflate) complex

Gao, Bo,Wen, Yuehong,Yang, Zhigang,Huang, Xiao,Liu, Xiaohua,Feng, Xiaoming

supporting information; experimental part, p. 385 - 390 (2009/04/08)

The catalytic asymmetric ring opening of meso-epoxides with aromatic amines was achieved using a new proline-based N,N′-dioxide-indium tris(triflate) complex in high yields (up to 99%) with excellent enantioselectivities (up to 99% ee) under mild conditio

Stereochemistry of Imino-group Reduction. Part 3. The Hydride Reduction of Achiral Benzil Monoimines

Alcaide, Benito,Lopez-Mardomingo, Carmen,Perez-Ossorio, Rafael,Plumet, Joaquin

, p. 1649 - 1654 (2007/10/02)

The RR,SS:RS,SR ratio of diastereoisomeric amino-alcohols obtained from the lithium aluminium hydride reduction of the monoimines prepared by reaction of benzil and various aliphatic and aromatic achiral amines has been determined.Stereochemical results a

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