Why do aromatic interactions matter of compound: 221012-82-4

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Niu, Weiling; Chen, Li; Hu, Jiayuan; Chen, Hua; Li, Xianjun published the article 《Asymmetric hydroformylation of styrene catalyzed by P-Phos-Rh complexes [P-Phos = 4,4′,6,6′-tetramethoxy-2,2′-bis(diphenylphosphino)-1,1′-bipyridine]》. Keywords: styrene asym hydroformylation catalyst rhodium chiral diphosphine.They researched the compound: (R)-2,2′,6,6′-Tetramethoxy-4,4′-bis(diphenylphosphino)-3,3′-bipyridine( cas:221012-82-4 ).SDS of cas: 221012-82-4. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:221012-82-4) here.

Rh complex was prepared by complexation of (R)-P-Phos with the available Rh precursor and used for the asym. hydroformylation of styrene. The effects of total pressure, temperature, and the ratio of phosphine/Rh on catalytic activity, chemo- and enantioselectivity were discussed. (R)-P-Phos-Rh showed higher activity and regioselectivity and the enantioselectivity was as much as that catalyzed by -BINAP-Rh (BINAP = 2,2′-di(diphenylphosphino)-1,1′-bipyridine) in the in situ asym. hydroformylation of styrene.

Compounds in my other articles are similar to this one((R)-2,2′,6,6′-Tetramethoxy-4,4′-bis(diphenylphosphino)-3,3′-bipyridine)SDS of cas: 221012-82-4, you can compare them to see their pros and cons in some ways,such as convenient, effective and so on.

Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider