Lapachol and its congeners as anticancer agents: a review

F Epifano, S Genovese, S Fiorito, V Mathieu… - Phytochemistry …, 2014 - Springer
Lapachol is a naturally occurring 1, 4-naphthoquinone originally isolated by the Italian
phytochemist E. Paterno from Tabebuia avellanedae (Bignoniaceae) in 1882 and …

Synthesis of pharmacologically important naphthoquinones and anticancer activity of 2-benzyllawsone through DNA topoisomerase-II inhibition

BS Kumar, K Ravi, AK Verma, K Fatima… - Bioorganic & Medicinal …, 2017 - Elsevier
Naphthoquinones are naturally occurring biologically active entities. Practical de novo
syntheses of three naphthoquinones ie lawsone (1), lapachol (2), and β-lapachone (3b) …

Addition of thiols to o-quinone methide: new 2-hydroxy-3-phenylsulfanylmethyl [1, 4] naphthoquinones and their activity against the human malaria parasite …

A Sharma, IO Santos, P Gaur, VF Ferreira… - European Journal of …, 2013 - Elsevier
A series of 36 new phenylsulfanylmethyl [1, 4] naphthoquinones (7–42) were synthesized by
a three-component reaction that involves lawsone, the appropriate aldehyde and thiols with …

Natural naphthoquinones with great importance in medicinal chemistry

F de Carvalho da Silva… - Current Organic …, 2016 - ingentaconnect.com
This review involves the chemistry and biochemistry of lapachol, β-lapachone and lawsone,
examples of bioactive natural products that still being under biological evaluation and …

2-Hydroxy-1, 4-Naphthoquinone: A versatile synthon in organic synthesis

A Chaudhary, J M. Khurana - Current Organic Chemistry, 2016 - benthamdirect.com
2-Hydroxy-1,4-naphthoquinone: A Versatile Synthon in Organic Synthesis Page 1 Send Orders
for Reprints to reprints@benthamscience.ae 1314 Current Organic Chemistry, 2016, 20 …

HFIP promoted C3 alkylation of lawsone and 4-hydroxycoumarin with alcohols by dehydrative cross-coupling

Y Chen, Y Wang, R Zhong, J Li - The Journal of Organic …, 2020 - ACS Publications
An environmentally benign system for the direct alkylation of lawsones and 4-
hydroxycoumarins with alcohols in 1, 1, 1, 3, 3, 3-hexafluoroisopropanol (HFIP) is reported …

Biological evaluation of hydroxynaphthoquinones as anti-malarials

DC Schuck, SB Ferreira, LN Cruz, DR Da Rocha… - Malaria Journal, 2013 - Springer
Background The hydroxynaphthoquinones have been extensively investigated over the past
50 years for their anti-malarial activity. One member of this class, atovaquone, is combined …

Molecular mechanism of action of new 1, 4-naphthoquinones tethered to 1, 2, 3-1H-triazoles with cytotoxic and selective effect against oral squamous cell carcinoma

IC Chipoline, ACC da Fonseca, GRM da Costa… - Bioorganic …, 2020 - Elsevier
The oral squamous cell carcinoma (OSCC) stands out as a public health problem due to its
high incidence and low survival rate, despite advances in diagnosis and treatment …

Synthesis and evaluation of the cytotoxic activity of 1, 2-furanonaphthoquinones tethered to 1, 2, 3-1H-triazoles in myeloid and lymphoid leukemia cell lines

MFC Cardoso, PC Rodrigues, MEIM Oliveira… - European Journal of …, 2014 - Elsevier
Leukemia is the most common blood cancer, and its development starts at diverse points,
leading to distinct subtypes that respond differently to therapy. This heterogeneity is rarely …

Biomimetic in vitro oxidation of lapachol: a model to predict and analyse the in vivo phase I metabolism of bioactive compounds

M Niehues, VP Barros, F da Silva Emery… - European journal of …, 2012 - Elsevier
The bioactive naphtoquinone lapachol was studied in vitro by a biomimetic model with
Jacobsen catalyst (manganese (III) salen) and iodosylbenzene as oxidizing agent. Eleven …