Liang, Xiao; Wei, Kun; Yang, Yu-Rong published the article 《Iridium-catalyzed enantioselective allylation of silyl enol ethers derived from ketones and α,β-unsaturated ketones》. Keywords: enantioselective allylation silyl enol ether iridium catalyst; allylic substitution enantioselective iridium catalyst; absolute configuration calyxolane A; calyxolane A B enantioselective synthesis.They researched the compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine( cas:1265884-98-7 ).Electric Literature of C34H22NO2P. 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:1265884-98-7) here.
The unified Ir-catalyzed enantioselective allylic substitution reactions of silyl enol ethers derived from ketones and α,β-unsaturated ketones with branched, racemic allylic alcs. are described. This transformation is catalyzed by the Carreira system and proceeds without fluoride, and with high ee and b:l ratio. The synthetic utility of this method was illustrated by the concise enantioselective total synthesis of marine natural products calyxolane A, B, I and II, resp., and by the assignment of the absolute configuration of calyxolane A.
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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem