2-Indolyl-1-nitroalkane Derivatives
4107
Enantioselective Friedel–Crafts alkylation of indoles with nitroalkenes
catalyzed by bifunctional tridentate bis(oxazoline)–Zn(II) complex. Org. Lett.
2006, 8, 2115–2118.
9. (a) Herrera, R. P.; Sgarzani, V.; Bernardi, L.; Ricci, A. Catalytic enantiose-
lective Friedel–Crafts alkylation of indoles with nitroalkenes by using a sim-
ple thiourea organocatalyst. Angew. Chem. Int. Ed. 2005, 44, 6576–6579; (b)
Zhuang, W.; Hazell, R. G.; Jørgensen, K. A. Enantioselective Friedel–Crafts
type addition of indoles to nitro-olefins using a chiral hydrogen-bonding
catalyst—synthesis of optically active tetrahydro-b-carbolines. Org. Biomol.
Chem. 2005, 3, 2566–2571.
10. (a) Jiang, Y.; Decker, S.; Mohs, C.; Klabunde, K. J. Catalytic solid state
reactions on the surface of nanoscale metal oxide particles. J. Catal. 1998,
180, 24–35; (b) Lucas, E.; Decker, S.; Khaleel, A.; Seitz, A.; Fultz, S.; Ponce,
A.; Li, W.; Carnes, C.; Klabunde, K. J. Nanocrystalline metal oxides as
unique chemical reagents=sorbents. Chem. Eur. J. 2001, 7, 2505–2510.
11. (a) Schlogl, R.; Abd Hamid, S. B. Nanocatalysis: Mature science revisited or
something really new? Angew. Chem., Int. Ed. 2004, 43, 1628–1637; (b)
Choudary, B. M.; Ranganath, K. V. S.; Yadav, J.; Kantam, M. L. Synthesis
of flavanones using nanocrystalline MgO. Tetrahedron Lett. 2005, 46, 1369–
1371; (c) Kantam, M. L.; Laha, S.; Yadav, J.; Choudary, B. M.; Sreedhar, B.
Nanocrystalline titanium(IV) oxide as an efficient heterogeneous catalyst for
tandem michael and nucleophilic 1,2-addition to enones. Adv. Synth. Catal.
2006, 348, 867–872; (d) Kantam, M. L.; Laha, S.; Yadav, J.; Sreedhar, B.
Friedel–Crafts alkylation of indoles with epoxides catalyzed by nanocrystal-
line titanium(IV) oxide. Tetrahedron Lett. 2006, 47, 6213–6216; (e) Choudary,
B. M.; Ranganath, K. V. S.; Pal, U.; Kantam, M. L.; Sreedhar, B. Nanocrys-
talline MgO for asymmetric henry and michael reactions. J. Am. Chem. Soc.
2005, 127, 13167–13171.
12. (a) Choudary, B. M.; Mulukutla, R. S.; Klabunde, K. J. Benzylation of
aromatic compounds with different crystallites of MgO. J. Am. Chem. Soc.
2003, 125, 2020–2021; (b) Richards, R.; Li, W.; Decker, S.; Davidson, C.;
Koper, O.; Zaikovski, V.; Volodin, A.; Rieker, T.; Klabunde, K. J. Consoli-
dation of metal oxide nanocrystals. Reactive pellets with controllable pore
structure that represent a new family of porous, inorganic materials. J. Am.
Chem. Soc. 2000, 122, 4921–4925.
13. Kantam, M. L.; Laha, S.; Yadav, J.; Likhar, P. R.; Sreedhar, B.; Choudary,
B. M. Asymmetric hydrosilylation of prochiral ketones catalyzed by nano-
crystalline copper(II) oxide. Adv. Synth. Catal. 2007, 349, 1797–1802.
14. (a) Bosh, H.; Janssen, F. Formation and control of nitrogen oxides. Catal.
Today 1988, 2, 369–379; (b) Forzatti, P. Environmental catalysis for station-
ary applications. Catal. Today 2000, 62, 51–65; (c) Hoffmann, M. R.; Martin,
S. T.; Choi, W.; Bahnemann, D. W. Environmental applications of semicon-
ductor photocatalysis. Chem. Rev. 1995, 95, 69–96; (d) Maldotti, A.;
Molinari, A.; Amadelli, R. Photocatalysis with organized systems for the
oxofunctionalization of hydrocarbons by O2. Chem. Rev. 2002, 102, 3811–
3836.