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Items: 1 to 20 of 97

1.

Trifluoroacetic acid-promoted Michael addition-cyclization reactions of vinylogous carbamates.

Naganaboina RT, Nayak A, Peddinti RK.

Org Biomol Chem. 2014 Jun 7;12(21):3366-70. doi: 10.1039/c4ob00437j.

PMID:
24756460
3.
4.

Cu(OAc)2/TFA-promoted formal [3 + 3] cycloaddition/oxidation of enamines and enones for synthesis of multisubstituted aromatic amines.

Li L, Zhao MN, Ren ZH, Li JL, Guan ZH.

Org Lett. 2012 Jul 6;14(13):3506-9. doi: 10.1021/ol3014733.

PMID:
22724429
5.

Concise synthesis of (+)-allo-kainic acid via MgI2-mediated tandem aziridine ring opening-formal [3 + 2] cycloaddition.

Arena G, Chen CC, Leonori D, Aggarwal VK.

Org Lett. 2013 Aug 16;15(16):4250-3. doi: 10.1021/ol4020333.

PMID:
23909824
6.

Stereoselective synthesis of oxa- and aza-angular triquinanes using tandem radical cyclization to vinylogous carbonates and carbamates.

Gharpure SJ, Niranjana P, Porwal SK.

Org Lett. 2012 Nov 2;14(21):5476-9. doi: 10.1021/ol302557a.

PMID:
23098225
7.

Acid-promoted cascade cyclization to produce fused-polycyclic indole derivatives.

Yokosaka T, Nakayama H, Nemoto T, Hamada Y.

Org Lett. 2013 Jun 21;15(12):2978-81. doi: 10.1021/ol401128h.

PMID:
23745602
8.

A concise flow synthesis of efavirenz.

Correia CA, Gilmore K, McQuade DT, Seeberger PH.

Angew Chem Int Ed Engl. 2015 Apr 13;54(16):4945-8. doi: 10.1002/anie.201411728.

PMID:
25727078
9.

One-pot synthesis of 3-hydroxyquinolin-2(1H)-ones from N-phenylacetoacetamide via PhI(OCOCF3)2-mediated α-hydroxylation and H2SO4-promoted intramolecular cyclization.

Yuan Y, Yang R, Zhang-Negrerie D, Wang J, Du Y, Zhao K.

J Org Chem. 2013 Jun 7;78(11):5385-92. doi: 10.1021/jo400541s.

PMID:
23656410
10.

Vinylogous anionic processes in the formation and interconversion of tetracyclic ring systems.

Thornton PD, Cameron TS, Burnell DJ.

Org Biomol Chem. 2011 May 7;9(9):3447-56. doi: 10.1039/c0ob01152e.

PMID:
21424007
11.

Highly selective ylide-initiated Michael addition/cyclization reaction for synthesis of cyclohexadiene epoxide and vinylcyclopropane derivatives.

Zhu BH, Zhou R, Zheng JC, Deng XM, Sun XL, Shen Q, Tang Y.

J Org Chem. 2010 May 21;75(10):3454-7. doi: 10.1021/jo100306z.

PMID:
20387850
12.

Copper-catalyzed coupling of amides and carbamates with vinyl halides.

Jiang L, Job GE, Klapars A, Buchwald SL.

Org Lett. 2003 Oct 2;5(20):3667-9.

PMID:
14507200
13.

Synthesis of N-substituted indole derivatives via PIFA-mediated intramolecular cyclization.

Du Y, Liu R, Linn G, Zhao K.

Org Lett. 2006 Dec 21;8(26):5919-22.

PMID:
17165894
14.

Bifunctional homoallylic carbamates from chiral silane additions to in situ generated N-acyl iminium ions.

Wu J, Zhu KC, Yuan PW, Panek JS.

Org Lett. 2012 Jul 20;14(14):3624-7. doi: 10.1021/ol301428y.

PMID:
22738355
15.

PIFA-mediated oxidative cyclization of 1-carbamoyl-1-oximylcycloalkanes: synthesis of spiro-fused pyrazolin-5-one N-oxides.

Wang K, Fu X, Liu J, Liang Y, Dong D.

Org Lett. 2009 Feb 19;11(4):1015-8. doi: 10.1021/ol802952e.

PMID:
19173618
16.

Efficient and general synthesis of oxazino[4,3-a]indoles by cascade addition-cyclization reactions of (1H-indol-2-yl)methanols and vinyl sulfonium salts.

An J, Chang NJ, Song LD, Jin YQ, Ma Y, Chen JR, Xiao WJ.

Chem Commun (Camb). 2011 Feb 14;47(6):1869-71. doi: 10.1039/c0cc03823g.

PMID:
21120235
17.
18.

Bismuth- and hafnium-catalyzed hydroamination of vinyl arenes with sulfonamides, carbamates, and carboxamides.

Qin H, Yamagiwa N, Matsunaga S, Shibasaki M.

Chem Asian J. 2007 Jan 8;2(1):150-4.

PMID:
17441148
19.

Stereoselective synthesis of cyclic ethers using vinylogous sulfonates as radical acceptors: effect of E/Z geometry and temperature on diastereoselectivity.

Evans PA, Manangan T.

J Org Chem. 2000 Jul 28;65(15):4523-8. Erratum in: J Org Chem 2000 Sep 22;65(19):6291.

PMID:
10959853
20.

Organocatalytic highly enantioselective Michael addition of 2-hydroxy-1,4-naphthoquinones to nitroalkenes.

Zhou WM, Liu H, Du DM.

Org Lett. 2008 Jul 3;10(13):2817-20. doi: 10.1021/ol800945e.

PMID:
18533672

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