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Items: 1 to 20 of 183

1.

Ring-closing metathesis/isomerization/Pictet-Spengler cascade via ruthenium/chiral phosphoric acid sequential catalysis.

Cai Q, Liang XW, Wang SG, Zhang JW, Zhang X, You SL.

Org Lett. 2012 Oct 5;14(19):5022-5. doi: 10.1021/ol302215u. Epub 2012 Sep 18.

PMID:
22988945
2.

An olefin isomerization/asymmetric Pictet-Spengler cascade via sequential catalysis of ruthenium alkylidene and chiral phosphoric acid.

Cai Q, Liang XW, Wang SG, You SL.

Org Biomol Chem. 2013 Feb 13;11(10):1602-5. doi: 10.1039/c3ob00072a.

PMID:
23364474
3.

Enantioselective BINOL-phosphoric acid catalyzed Pictet-Spengler reactions of N-benzyltryptamine.

Sewgobind NV, Wanner MJ, Ingemann S, de Gelder R, van Maarseveen JH, Hiemstra H.

J Org Chem. 2008 Aug 15;73(16):6405-8. doi: 10.1021/jo8010478. Epub 2008 Jul 11.

PMID:
18616320
4.

Asymmetric synthesis of tetrahydro-β-carbolines via chiral phosphoric acid catalyzed transfer hydrogenation reaction.

Yin Q, Wang SG, You SL.

Org Lett. 2013 Jun 7;15(11):2688-91. doi: 10.1021/ol400995c. Epub 2013 May 13.

PMID:
23668420
5.

Ruthenium hydride/Brønsted acid-catalyzed tandem isomerization/N-acyliminium cyclization sequence for the synthesis of tetrahydro-β-carbolines.

Hansen CL, Clausen JW, Ohm RG, Ascic E, Le Quement ST, Tanner D, Nielsen TE.

J Org Chem. 2013 Dec 20;78(24):12545-65. doi: 10.1021/jo402192s. Epub 2013 Nov 18.

PMID:
24180610
6.

Magnetic nanoparticle-supported Hoveyda-Grubbs catalysts for ring-closing metathesis reactions.

Che C, Li W, Lin S, Chen J, Zheng J, Wu JC, Zheng Q, Zhang G, Yang Z, Jiang B.

Chem Commun (Camb). 2009 Oct 28;(40):5990-2. doi: 10.1039/b911999j. Epub 2009 Aug 24.

PMID:
19809620
7.

Enantioselective construction of pyrroloindolines via chiral phosphoric acid catalyzed cascade Michael addition-cyclization of tryptamines.

Cai Q, Liu C, Liang XW, You SL.

Org Lett. 2012 Sep 7;14(17):4588-90. doi: 10.1021/ol302043s. Epub 2012 Aug 28.

PMID:
22928846
8.
9.

Modular synthesis of optically active lactones by Ru-catalyzed asymmetric allylic carboxylation and ring-closing metathesis reaction.

Takii K, Kanbayashi N, Onitsuka K.

Chem Commun (Camb). 2012 Apr 21;48(32):3872-4. doi: 10.1039/c2cc18137a. Epub 2012 Mar 14.

PMID:
22415629
10.

Olefin ring closing metathesis and hydrosilylation reaction in aqueous medium by Grubbs second generation ruthenium catalyst.

Polshettiwar V, Varma RS.

J Org Chem. 2008 Sep 19;73(18):7417-9. doi: 10.1021/jo801330c. Epub 2008 Aug 22.

PMID:
18722404
11.

Synthesis of oxacyclic scaffolds via dual ruthenium hydride/Brønsted acid-catalyzed isomerization/cyclization of allylic ethers.

Ascic E, Ohm RG, Petersen R, Hansen MR, Hansen CL, Madsen D, Tanner D, Nielsen TE.

Chemistry. 2014 Mar 17;20(12):3297-300. doi: 10.1002/chem.201304270. Epub 2014 Feb 24.

PMID:
24616060
12.

Enantioselective synthesis of benzofurans and benzoxazines via an olefin cross-metathesis-intramolecular oxo-Michael reaction.

Zhang JW, Cai Q, Gu Q, Shi XX, You SL.

Chem Commun (Camb). 2013 Sep 11;49(70):7750-2. doi: 10.1039/c3cc43937b.

PMID:
23884172
13.

Asymmetric Friedel-Crafts reaction of 4,7-dihydroindoles with nitroolefins by chiral Brønsted acids under low catalyst loading.

Sheng YF, Li GQ, Kang Q, Zhang AJ, You SL.

Chemistry. 2009;15(14):3351-4. doi: 10.1002/chem.200900033.

PMID:
19229929
14.

Using cross-metathesis to couple L-phenylalanine to a macrocyclic lactam.

Enholm E, Low T.

J Org Chem. 2006 Mar 17;71(6):2272-6.

PMID:
16526773
15.

Diastereo- and enantioselective construction of a bispirooxindole scaffold containing a tetrahydro-β-carboline moiety through an organocatalytic asymmetric cascade reaction.

Dai W, Lu H, Li X, Shi F, Tu SJ.

Chemistry. 2014 Sep 1;20(36):11382-9. doi: 10.1002/chem.201402485. Epub 2014 Jul 23.

PMID:
25056997
16.

Asymmetric total synthesis of (-)-leuconoxine via chiral phosphoric acid catalyzed desymmetrization of a prochiral diester.

Higuchi K, Suzuki S, Ueda R, Oshima N, Kobayashi E, Tayu M, Kawasaki T.

Org Lett. 2015 Jan 2;17(1):154-7. doi: 10.1021/ol5033865. Epub 2014 Dec 19.

PMID:
25522825
17.

Synthesis of tetrahydro-β-carbolines via isomerization of N-allyltryptamines: a metal-catalyzed variation on the Pictet-Spengler theme.

Ascic E, Hansen CL, Le Quement ST, Nielsen TE.

Chem Commun (Camb). 2012 Apr 4;48(27):3345-7. doi: 10.1039/c2cc17704h. Epub 2012 Feb 24.

PMID:
22367559
18.

Enantioselective synthesis of multisubstituted biaryl skeleton by chiral phosphoric acid catalyzed desymmetrization/kinetic resolution sequence.

Mori K, Ichikawa Y, Kobayashi M, Shibata Y, Yamanaka M, Akiyama T.

J Am Chem Soc. 2013 Mar 13;135(10):3964-70. doi: 10.1021/ja311902f. Epub 2013 Feb 26.

PMID:
23413828
19.

Highly efficient ruthenium catalysts for the formation of tetrasubstituted olefins via ring-closing metathesis.

Stewart IC, Ung T, Pletnev AA, Berlin JM, Grubbs RH, Schrodi Y.

Org Lett. 2007 Apr 12;9(8):1589-92. Epub 2007 Mar 23.

PMID:
17378575
20.

Construction of carbocyclic ring of indoles using ruthenium-catalyzed ring-closing olefin metathesis.

Yoshida K, Hayashi K, Yanagisawa A.

Org Lett. 2011 Sep 16;13(18):4762-5. doi: 10.1021/ol201510u. Epub 2011 Aug 25.

PMID:
21866923
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