REFERENCES

1. Norton RS, Wells RJ. A series of chiral polybrominated biindoles from the marine blue-green alga rivularia firma. application of carbon-13 NMR spin-lattice relaxation data and carbon-13-proton coupling constants to structure elucidation. J Am Chem Soc 1982;104:3628-35.

2. Jiang F, Chen KW, Wu P, Zhang YC, Jiao Y, Shi F. A strategy for synthesizing axially chiral naphthyl-indoles: catalytic asymmetric addition reactions of racemic substrates. Angew Chem Int Ed Engl 2019;58:15104-10.

3. Wang C, Li T, Liu S, et al. Axially chiral aryl-alkene-indole framework: a nascent member of the atropisomeric family and its catalytic asymmetric construction. Chin J Chem 2020;38:543-52.

4. Chen KW, Chen ZH, Yang S, Wu SF, Zhang YC, Shi F. Organocatalytic atroposelective synthesis of N-N Axially chiral indoles and pyrroles by de novo ring formation. Angew Chem Int Ed Engl 2022;61:e202116829.

5. Yang Y, Xu Y, Yue Y, et al. Investigate natural product indolmycin and the synthetically improved analogue toward antimycobacterial agents. ACS Chem Biol 2022;17:39-53.

6. Humphrey GR, Kuethe JT. Practical methodologies for the synthesis of indoles. Chem Rev 2006;106:2875-911.

7. Bandini M, Eichholzer A. Catalytic functionalization of indoles in a new dimension. Angew Chem Int Ed Engl 2009;48:9608-44.

8. Kochanowska-Karamyan AJ, Hamann MT. Marine indole alkaloids: potential new drug leads for the control of depression and anxiety. Chem Rev 2010;110:4489-97.

9. Sun C, Tian W, Lin Z, Qu X. Biosynthesis of pyrroloindoline-containing natural products. Nat Prod Rep 2022;39:1721-65.

10. Yepremyan A, Minehan TG. Total synthesis of indole-3-acetonitrile-4-methoxy-2-C-β-D-glucopyranoside. Proposal for structural revision of the natural product. Org Biomol Chem 2012;10:5194-6.

11. Bera S, Daniliuc CG, Studer A. Oxidative N-heterocyclic carbene catalyzed dearomatization of indoles to spirocyclic indolenines with a quaternary carbon stereocenter. Angew Chem Int Ed Engl 2017;56:7402-6.

12. Xie D, Yang L, Lin Y, et al. Rapid access to spirocylic oxindoles: application of asymmetric N-heterocyclic carbene-catalyzed [3 + 3] cycloaddition of imines to oxindole-derived enals. Org Lett 2015;17:2318-21.

13. Zhu SY, Zhang H, Ma QW, Liu D, Hui XP. Oxidative NHC catalysis: direct activation of β sp(3) carbons of saturated acid chlorides. Chem Commun 2019;55:298-301.

14. Xu J, Zhang W, Liu Y, et al. Formal [3 + 3] annulation of isatin-derived 2-bromoenals with 1,3-dicarbonyl compounds enabled by Lewis acid/N-heterocyclic carbene cooperative catalysis. RSC Adv 2016;6:18601-6.

15. Przydacz A, Topolska A, Skrzyńska A, Albrecht Ł. NHC-catalyzed 1,4-elimination in the dearomative activation of 3-furaldehydes towards (4 + 2)-cycloadditions. Adv Synth Catal 2022;364:1434-9.

16. Zhang ZJ, Wen YH, Song J, Gong LZ. Kinetic resolution of aziridines enabled by N-heterocyclic carbene/copper cooperative catalysis: carbene dose-controlled chemo-switchability. Angew Chem Int Ed Engl 2021;60:3268-76.

17. Rong X, Yao H, Xia W, Du Y, Zhou Y, Liu H. Enantioselective assembly of spirolactones through NHC-catalyzed remote γ-carbon addition of enals with isatins. ACS Comb Sci 2016;18:220-4.

18. Yang X, Sun J, Huang X, Jin Z. Asymmetric synthesis of structurally sophisticated spirocyclic pyrano[2,3-c]pyrazole derivatives bearing a chiral quaternary carbon center. Org Lett 2022;24:5474-9.

19. Breuers CBJ, Daniliuc CG, Studer A. Oxidative N-heterocyclic carbene-catalyzed intramolecular friedel-crafts alkylation of indoles for the synthesis of spirocyclic indolenines. Org Lett 2022;24:5314-8.

20. Balanna K, Madica K, Mukherjee S, et al. N-heterocyclic carbene-catalyzed formal [6 + 2] annulation reaction via cross-conjugated Aza-trienolate intermediates. Chemistry 2020;26:818-22.

21. Chen X, Yang S, Song BA, Chi YR. Functionalization of benzylic C(sp3)-H bonds of heteroaryl aldehydes through N-heterocyclic carbene organocatalysis. Angew Chem Int Ed Engl 2013;52:11134-7.

22. Wu X, Zhou L, Maiti R, Mou C, Pan L, Chi YR. Sulfinate and carbene co-catalyzed rauhut-currier reaction for enantioselective access to azepino[1,2-a]indoles. Angew Chem Int Ed Engl 2019;58:477-81.

23. Huang H, Li Q, Liu Y, et al. Dearomative [4 + 2] annulations between 3-nitroindoles and enals through oxidative N-heterocyclic carbene catalysis. Org Chem Front 2020;7:3862-7.

24. Liu Y, Luo G, Yang X, et al. Carbene-catalyzed enantioselective aromatic N-nucleophilic addition of heteroarenes to ketones. Angew Chem Int Ed Engl 2020;59:442-8.

25. Li W, Yuan H, Liu Z, Zhang Z, Cheng Y, Li P. NHC-catalyzed enantioselective [4 + 3] cycloaddition of ortho -hydroxyphenyl substituted para -quinone methides with isatin-derived enals. Adv Synth Catal 2018;360:2460-4.

26. Mukherjee S, Shee S, Poisson T, Besset T, Biju AT. Enantioselective N-heterocyclic carbene-catalyzed cascade reaction for the synthesis of pyrroloquinolines via N-H functionalization of indoles. Org Lett 2018;20:6998-7002.

27. Xu J, Yuan S, Miao M. N-Heterocyclic carbene catalyzed [4 + 2] annulation reactions with in situ generated heterocyclic ortho-quinodimethanes. Org Lett 2016;18:3822-5.

28. Ma R, Wang X, Zhang Q, et al. Atroposelective synthesis of axially chiral 4-aryl α-carbolines via n-heterocyclic carbene catalysis. Org Lett 2021;23:4267-72.

29. Yang X, Majhi PK, Chai H, et al. Carbene-catalyzed enantioselective aldol reaction: post-aldol stereochemistry control and formation of quaternary stereogenic centers. Angew Chem Int Ed Engl 2021;60:159-65.

30. Fan T, Song J, Gong LZ. Asymmetric redox allylic alkylation to access 3,3'-disubstituted oxindoles enabled by Ni/NHC cooperative catalysis. Angew Chem Int Ed Engl 2022;61:e202201678.

31. Mo J, Shen L, Chi YR. Direct β-activation of saturated aldehydes to formal Michael acceptors through oxidative NHC catalysis. Angew Chem Int Ed Engl 2013;52:8588-91.

32. Axelsson A, Hammarvid E, Ta L, Sundén H. Asymmetric aerobic oxidative NHC-catalysed synthesis of dihydropyranones utilising a system of electron transfer mediators. Chem Commun 2016;52:11571-4.

Chemical Synthesis
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