126 related articles for article (PubMed ID: 19663515)
1. Efficient synthesis of 5,6-dihydroxyindole dimers, key eumelanin building blocks, by a unified o-ethynylaniline-based strategy for the construction of 2-linked biindolyl scaffolds.
Capelli L; Manini P; Pezzella A; Napolitano A; d'Ischia M
J Org Chem; 2009 Sep; 74(18):7191-4. PubMed ID: 19663515
[TBL] [Abstract][Full Text] [Related]
2. Development of an efficient procedure for indole ring synthesis from 2-ethynylaniline derivatives catalyzed by CuII salts and its application to natural product synthesis.
Hiroya K; Itoh S; Sakamoto T
J Org Chem; 2004 Feb; 69(4):1126-36. PubMed ID: 14961661
[TBL] [Abstract][Full Text] [Related]
3. InBr3-promoted divergent approach to polysubstituted indoles and quinolines from 2-ethynylanilines: switch from an intramolecular cyclization to an intermolecular dimerization by a type of terminal substituent group.
Sakai N; Annaka K; Fujita A; Sato A; Konakahara T
J Org Chem; 2008 Jun; 73(11):4160-5. PubMed ID: 18442294
[TBL] [Abstract][Full Text] [Related]
4. Short-lived quinonoid species from 5,6-dihydroxyindole dimers en route to eumelanin polymers: integrated chemical, pulse radiolytic, and quantum mechanical investigation.
Pezzella A; Panzella L; Crescenzi O; Napolitano A; Navaratman S; Edge R; Land EJ; Barone V; d'Ischia M
J Am Chem Soc; 2006 Dec; 128(48):15490-8. PubMed ID: 17132016
[TBL] [Abstract][Full Text] [Related]
5. The first 5,6-dihydroxyindole tetramer by oxidation of 5,5',6,6'-tetrahydroxy- 2,4'-biindolyl and an unexpected issue of positional reactivity en route to eumelanin-related polymers.
Panzella L; Pezzella A; Napolitano A; d'Ischia M
Org Lett; 2007 Mar; 9(7):1411-4. PubMed ID: 17346057
[TBL] [Abstract][Full Text] [Related]
6. 5,6-dihydroxyindole tetramers with "anomalous" interunit bonding patterns by oxidative coupling of 5,5',6,6'-tetrahydroxy-2,7'-biindolyl: emerging complexities on the way toward an improved model of eumelanin buildup.
Pezzella A; Panzella L; Natangelo A; Arzillo M; Napolitano A; d'Ischia M
J Org Chem; 2007 Nov; 72(24):9225-30. PubMed ID: 17975929
[TBL] [Abstract][Full Text] [Related]
7. A facile route to polysubstituted indoles via three-component reaction of 2-ethynylaniline, sulfonyl azide, and nitroolefin.
Chen Z; Zheng D; Wu J
Org Lett; 2011 Mar; 13(5):848-51. PubMed ID: 21299243
[TBL] [Abstract][Full Text] [Related]
8. Concise synthesis of indole-fused 1,4-diazepines through copper(I)-catalyzed domino three-component coupling-cyclization-N-arylation under microwave irradiation.
Ohta Y; Chiba H; Oishi S; Fujii N; Ohno H
Org Lett; 2008 Aug; 10(16):3535-8. PubMed ID: 18616342
[TBL] [Abstract][Full Text] [Related]
9. Lack of visible chromophore development in the pulse radiolysis oxidation of 5,6-dihydroxyindole-2-carboxylic acid oligomers: DFT investigation and implications for eumelanin absorption properties.
Pezzella A; Panzella L; Crescenzi O; Napolitano A; Navaratnam S; Edge R; Land EJ; Barone V; d'Ischia M
J Org Chem; 2009 May; 74(10):3727-34. PubMed ID: 19385623
[TBL] [Abstract][Full Text] [Related]
10. Construction of nitrogen heterocycles bearing an aminomethyl group by copper-catalyzed domino three-component coupling-cyclization.
Ohta Y; Chiba H; Oishi S; Fujii N; Ohno H
J Org Chem; 2009 Sep; 74(18):7052-8. PubMed ID: 19673483
[TBL] [Abstract][Full Text] [Related]
11. First synthetic entry to the trimer stage of 5,6-dihydroxyindole polymerization: ortho-alkynylaniline-based access to the missing 2,7':2',7''-triindole.
Capelli L; Manini P; Pezzella A; d'Ischia M
Org Biomol Chem; 2010 Oct; 8(19):4243-5. PubMed ID: 20689895
[TBL] [Abstract][Full Text] [Related]
12. Disentangling eumelanin "black chromophore": visible absorption changes as signatures of oxidation state- and aggregation-dependent dynamic interactions in a model water-soluble 5,6-dihydroxyindole polymer.
Pezzella A; Iadonisi A; Valerio S; Panzella L; Napolitano A; Adinolfi M; d'Ischia M
J Am Chem Soc; 2009 Oct; 131(42):15270-5. PubMed ID: 19919162
[TBL] [Abstract][Full Text] [Related]
13. Rhodium-Catalyzed Cyclization of 2-Ethynylanilines in the Presence of Isocyanates: Approach toward Indole-3-carboxamides.
Mizukami A; Ise Y; Kimachi T; Inamoto K
Org Lett; 2016 Feb; 18(4):748-51. PubMed ID: 26840978
[TBL] [Abstract][Full Text] [Related]
14. Copper-catalyzed [5+1] annulation of 2-ethynylanilines with an N,O-acetal leading to construction of quinoline derivatives.
Sakai N; Tamura K; Shimamura K; Ikeda R; Konakahara T
Org Lett; 2012 Feb; 14(3):836-9. PubMed ID: 22276849
[TBL] [Abstract][Full Text] [Related]
15. Ultrafast excited state dynamics of 5,6-dihydroxyindole, a key eumelanin building block: nonradiative decay mechanism.
Gauden M; Pezzella A; Panzella L; Napolitano A; d'Ischia M; Sundström V
J Phys Chem B; 2009 Sep; 113(37):12575-80. PubMed ID: 19691267
[TBL] [Abstract][Full Text] [Related]
16. Effect of dimerization on vibrational spectra of eumelanin precursors.
Nighswander-Rempel SP; Olsen S; Mahadevan IB; Netchev G; Wilson BC; Smith SC; Rubinsztein-Dunlop H; Meredith P
Photochem Photobiol; 2008; 84(3):613-9. PubMed ID: 18208453
[TBL] [Abstract][Full Text] [Related]
17. 5,6-Dihydroxyindole oxidation in phosphate buffer/polyvinyl alcohol: a new model system for studies of visible chromophore development in synthetic eumelanin polymers.
Pezzella A; Ambrogi V; Arzillo M; Napolitano A; Carfagna C; d'Ischia M
Photochem Photobiol; 2010; 86(3):533-7. PubMed ID: 20408984
[TBL] [Abstract][Full Text] [Related]
18. A new strategy for the construction of the imidazo[1,5-a]quinoxalin-4-one ring system and its application to the efficient synthesis of BMS-238497, a novel and potent Lck inhibitor.
Chen BC; Zhao R; Bednarz MS; Wang B; Sundeen JE; Barrish JC
J Org Chem; 2004 Feb; 69(3):977-9. PubMed ID: 14750833
[TBL] [Abstract][Full Text] [Related]
19. Formation of a new quinone methide intermediate during the oxidative transformation of 3,4-dihydroxyphenylacetic acids: implication for eumelanin biosynthesis.
Sugumaran M; Duggaraju P; Jayachandran E; Kirk KL
Arch Biochem Biophys; 1999 Nov; 371(1):98-106. PubMed ID: 10525294
[TBL] [Abstract][Full Text] [Related]
20. Eumelanin buildup on the nanoscale: aggregate growth/assembly and visible absorption development in biomimetic 5,6-dihydroxyindole polymerization.
Arzillo M; Mangiapia G; Pezzella A; Heenan RK; Radulescu A; Paduano L; d'Ischia M
Biomacromolecules; 2012 Aug; 13(8):2379-90. PubMed ID: 22651227
[TBL] [Abstract][Full Text] [Related]
[Next] [New Search]
