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Items: 1 to 20 of 83

1.

DDQ-mediated direct intramolecular-dehydrogenative-coupling (IDC): expeditious approach to the tetracyclic core of ergot alkaloids.

Bhunia S, Ghosh S, Dey D, Bisai A.

Org Lett. 2013 May 17;15(10):2426-9. doi: 10.1021/ol400899e. Epub 2013 Apr 29.

PMID:
23627779
2.

Intramolecular dehydrogenative coupling of sp2 C-H and sp3 C-H bonds: an expeditious route to 2-oxindoles.

Ghosh S, De S, Kakde BN, Bhunia S, Adhikary A, Bisai A.

Org Lett. 2012 Dec 7;14(23):5864-7. doi: 10.1021/ol302767w. Epub 2012 Nov 7.

PMID:
23134301
3.

Synthesis of 2-oxindoles via 'transition-metal-free' intramolecular dehydrogenative coupling (IDC) of sp(2) C-H and sp(3) C-H bonds.

Kumar N, Ghosh S, Bhunia S, Bisai A.

Beilstein J Org Chem. 2016 Jun 8;12:1153-1169. doi: 10.3762/bjoc.12.111. eCollection 2016.

4.

Friedel-Crafts alkylations of electron-rich aromatics with 3-hydroxy-2-oxindoles: scope and limitations.

Kinthada LK, Ghosh S, Babu KN, Sharique M, Biswas S, Bisai A.

Org Biomol Chem. 2014 Nov 7;12(41):8152-73. doi: 10.1039/c4ob01264j. Epub 2014 Sep 2.

PMID:
25179466
5.
6.

Expeditious approach to pyrrolophenanthridones, phenanthridines, and benzo[c]phenanthridines via organocatalytic direct biaryl-coupling promoted by potassium tert-butoxide.

De S, Mishra S, Kakde BN, Dey D, Bisai A.

J Org Chem. 2013 Aug 16;78(16):7823-44. doi: 10.1021/jo400890k. Epub 2013 Aug 8.

PMID:
23924301
7.
8.

Acid-catalyzed reactions of 3-hydroxy-2-oxindoles with electron-rich substrates: synthesis of 2-oxindoles with all-carbon quaternary center.

Kinthada LK, Ghosh S, De S, Bhunia S, Dey D, Bisai A.

Org Biomol Chem. 2013 Sep 25;11(40):6984-93. doi: 10.1039/c3ob41482e.

PMID:
24057328
9.

Direct C2-alkylation of azoles with alcohols and ethers through dehydrogenative cross-coupling under metal-free conditions.

He T, Yu L, Zhang L, Wang L, Wang M.

Org Lett. 2011 Oct 7;13(19):5016-9. doi: 10.1021/ol201779n. Epub 2011 Aug 29.

PMID:
21875038
10.

One-pot sequential C-N coupling and cross dehydrogenative couplings: synthesis of novel azole fused imidazo[1,2-a]pyridines.

Pericherla K, Khedar P, Khungar B, Kumar A.

Chem Commun (Camb). 2013 Apr 11;49(28):2924-6. doi: 10.1039/c3cc39206f.

PMID:
23450119
11.

Biotechnology and genetics of ergot alkaloids.

Tudzynski P, Correia T, Keller U.

Appl Microbiol Biotechnol. 2001 Dec;57(5-6):593-605. Review.

PMID:
11778866
12.

[Use of polymerase chain reaction for searching for producers of ergot alkaloids from among microscopic fungi].

Boń≠chenko LV, Boń≠chenko DM, Vinokurova NG, Reshetilova TA, Arinbasarov MU.

Mikrobiologiia. 2001 May-Jun;70(3):360-4. Russian.

PMID:
11450458
14.

Sequential one-pot cyclizations: concise access to the ABCE tetracyclic framework of strychnos alkaloids.

Sirasani G, Andrade RB.

Org Lett. 2009 May 21;11(10):2085-8. doi: 10.1021/ol9004799.

PMID:
19382776
15.

Ergot alkaloids. Synthesis of 6-methyl-8-ergolenes as inhibitors of prolactin release.

Li GS, Robinson JM, Floss HG, Cassady JM.

J Med Chem. 1975 Sep;18(9):892-5.

PMID:
1159711
16.

Ergot alkaloids: structure diversity, biosynthetic gene clusters and functional proof of biosynthetic genes.

Wallwey C, Li SM.

Nat Prod Rep. 2011 Mar;28(3):496-510. doi: 10.1039/c0np00060d. Epub 2010 Dec 24. Review.

PMID:
21186384
17.

Iodine-Catalyzed Direct Olefination of 2-Oxindoles and Alkenes via Cross-Dehydrogenative Coupling (CDC) in Air.

Huang HY, Wu HR, Wei F, Wang D, Liu L.

Org Lett. 2015 Aug 7;17(15):3702-5. doi: 10.1021/acs.orglett.5b01662. Epub 2015 Jul 27.

PMID:
26214240
18.

Oxidative transformation to naphthodithiophene and thia[7]helicenes by intramolecular Scholl reaction of substituted 1,2-bis(2-thienyl)benzene precursors.

Waghray D, de Vet C, Karypidou K, Dehaen W.

J Org Chem. 2013 Nov 15;78(22):11147-54. doi: 10.1021/jo401807x. Epub 2013 Nov 1.

PMID:
24147631
20.

PhI(OAc)2-mediated intramolecular oxidative aryl-aldehyde Csp(2)-Csp(2) bond formation: metal-free synthesis of acridone derivatives.

Zheng Z, Dian L, Yuan Y, Zhang-Negrerie D, Du Y, Zhao K.

J Org Chem. 2014 Aug 15;79(16):7451-8. doi: 10.1021/jo5011697. Epub 2014 Aug 4.

PMID:
25068595

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