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24641-36-9

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24641-36-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24641-36-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,6,4 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 24641-36:
(7*2)+(6*4)+(5*6)+(4*4)+(3*1)+(2*3)+(1*6)=99
99 % 10 = 9
So 24641-36-9 is a valid CAS Registry Number.

24641-36-9Downstream Products

24641-36-9Relevant articles and documents

A short synthesis of biologically active lignan analogues

Kamlage,Sefkow,Pool-Zobel,Peter

, p. 331 - 332 (2001)

β-Benzyl-γ-butyrolactones were synthesized in four transition metal catalysed reactions from butynediol, and alkylated to afford new, biologically active lignan analogues.

Modular synthesis and biological investigation of 5-hydroxymethyl dibenzyl butyrolactones and related lignans

Davidson, Samuel J.,Pilkington, Lisa I.,Dempsey-Hibbert, Nina C.,El-Mohtadi, Mohamed,Tang, Shiying,Wainwright, Thomas,Whitehead, Kathryn A.,Barker, David

, (2018/11/30)

Dibenzyl butyrolactone lignans are well known for their excellent biological properties, particularly for their notable anti-proliferative activities. Herein we report a novel, efficient, convergent synthesis of dibenzyl butyrolactone lignans utilizing the acyl-Claisen rearrangement to stereoselectively prepare a key intermediate. The reported synthetic route enables the modification of these lignans to give rise to 5-hydroxymethyl derivatives of these lignans. The biological activities of these analogues were assessed, with derivatives showing an excellent cytotoxic profile which resulted in programmed cell death of Jurkat T-leukemia cells with less than 2% of the incubated cells entering a necrotic cell death pathway.

Synthesis, anti-virus and anti-tumour activities of dibenzylbutyrolactone lignans and their analogues

Xia, Yamu,You, Jia,Zhang, Yuanyuan,Su, Zhongliang

experimental part, p. 565 - 569 (2010/03/03)

An efficient synthesis of dibenzylbutyrolactone lignans and their analogues has been developed. Based on a Stobbe condensation of piperonal or veratraldehyde with diethylsuccinate and alkylation with 3,4- methylenedioxybenzyl bromide to give the skeleton

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