Compound Q&A
How is 2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone (CAS: 5521-31-3) typically synthesized?
Answer
![2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone](https://static.chemtradehub.com/structs/552/5521-31-3-a674.webp "2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone")
2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone is commonly synthesized via a multi-step process involving key reactions such as Friedel-Crafts alkylation and cyclization. The synthesis typically requires the use of a Lewis acid catalyst, such as aluminum chloride, and proceeds with high selectivity and moderate to good yield.
About
CAS No
5521-31-3
English Name
2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone
Molecular Formula
C26H14N2O4
Molecular Weight
418.41 g/mol
SMILES
O=C1N(C(C2=CC=C(C3=C4C=CC1=C23)C5=CC=C6C(N(C(C7=CC=C4C5=C76)=O)C)=O)=O)C
InChIKey
PJQYNUFEEZFYIS-UHFFFAOYSA-N
Last Updated: 2025-09-23 10:23
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![2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone — ShangHaiYiJiShengWuKeJiYouXianGongSiXiaoShouBu](https://static.chemtradehub.com/suppliers/67cecfe92b2de6e8e95a656d/67cecfe92b2de6e8e95a656d-logo.webp){kind=logo}
![2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone — Shanghai Yinxin Laboratory Equipment Co., Ltd.](https://static.chemtradehub.com/suppliers/67cdd97a57537e5c8069adfb/67cdd97a57537e5c8069adfb-logo.webp){kind=logo}
![2,9-Dimethylisoquinolino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone — Beijing Bailingwei Technology Co., Ltd.](https://static.chemtradehub.com/suppliers/67cde31e57537e5c8069aebf/67cde31e57537e5c8069aebf-logo.webp){kind=logo}