Application In Synthesis of 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine, is researched, Molecular C34H22NO2P, CAS is 1265884-98-7, about Direct enantioselective allylic substitution of 4-hydroxycoumarin derivatives with branched allylic alcohols via iridium catalysis. Author is Xu, Ruigang; Li, Kai; Wang, Jiaqi; Lu, Jiamin; Pan, Lina; Zeng, Xiaofei; Zhong, Guofu.
A highly efficient direct asym. allylic substitution (AAS) reaction of 4-hydroxycoumarin derivatives with branched allylic alcs. was realized by combining a chiral iridium complex catalyst with a Lewis acid under mild reaction conditions, delivering various hydroxy(arylallyl)-2H-chromen-2-ones I [R = H, 7-OMe, 6-Cl, etc.; Ar = Ph, 2-naphthyl, 2-thienyl, etc.; X = NMe, O, S] in remarkably high yields and excellent enantioselectivities. The salient features of this transformation included mild reaction conditions, general substrate scope, good functional group tolerance, high yields, excellent selectivities and easy scale-up. Furthermore, the obtained products were readily transformed into several kinds of bioactive compounds
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1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem