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1268364-24-4

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1268364-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1268364-24-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,3,6 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1268364-24:
(9*1)+(8*2)+(7*6)+(6*8)+(5*3)+(4*6)+(3*4)+(2*2)+(1*4)=174
174 % 10 = 4
So 1268364-24-4 is a valid CAS Registry Number.

1268364-24-4Downstream Products

1268364-24-4Relevant articles and documents

Scalable Total Synthesis of (+)- And (-)-Codonopiloneolignanin A via Ti(IV)/NHC Cooperative Control Highly Enantioselective Dimerization of Multisubstituted Cinnamaldehyde

Li, Xiangxin,Yong, Huaya,Fan, Xiaohong,Zheng, Yajuan,Wang, Zhen,Xie, Zhixiang

supporting information, p. 6573 - 6577 (2021/08/18)

The first gram-scale asymmetric total synthesis of (+)- and (-)-codonopiloneolignanin A has been achieved from multisubstituted cinnamaldehyde in four steps with 37% overall yield. The synthetically challenging tricyclic [5, 3, 0, 03,8] decane skeleton was efficiently constructed via a highly enantioselective dimerization of multisubstituted cinnamaldehyde, followed by a sequence of cascade reactions including Prins cyclization, cation mediated cyclization, and deprotection. Furthermore, the scope of NHC-catalyzed/Ti(IV)-mediated synergistic control multisubstituted cinnamaldehyde dimerization was investigated. Significantly, the bioactivity of codonopiloneolignanin A and its enantiomer, particularly scarce in nature, was tested and showed good anticancer activity.

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