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1522362-09-9

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1522362-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1522362-09-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,2,2,3,6 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1522362-09:
(9*1)+(8*5)+(7*2)+(6*2)+(5*3)+(4*6)+(3*2)+(2*0)+(1*9)=129
129 % 10 = 9
So 1522362-09-9 is a valid CAS Registry Number.

1522362-09-9Downstream Products

1522362-09-9Relevant articles and documents

Direct Synthesis of Chiral NH Lactams via Ru-Catalyzed Asymmetric Reductive Amination/Cyclization Cascade of Keto Acids/Esters

Shi, Yongjie,Tan, Xuefeng,Gao, Shuang,Zhang, Yao,Wang, Jingxin,Zhang, Xumu,Yin, Qin

, p. 2707 - 2713 (2020/03/30)

Lactams with a stereogenic center adjacent to the N atom have existed in many medicinal agents and bioactive alkaloids. Herein we report a broadly applicable synthesis of enantioenriched NH lactams through a one-pot asymmetric reductive amination/cyclization sequence of easily available keto acids/esters. Such cascade processes alleviate the demand for protecting group manipulations as well as intermediate purification. This strategy is capable of constructing enantioenriched lactams and benzo-lactams of a five-, six-, or seven-membered ring in generally high yield and with excellent enantioselectivities (up to 97% ee). Scalable and concise syntheses of key drug intermediates have further displayed the importance of this methodology.

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