Visible-Light-Mediated Catalyst-Free [2+2] Cycloaddition Reaction for Dihydrocyclobuta[b]naphthalene-3,8-diones Synthesis under Mild Conditions

A facile and efficient visible-light-mediated method for directly converting 1,4-naphthoquinones into dihydrocyclo-buta[b]naphthalene-3,8-diones Stove Burner Cap (DHCBNDOs) under mild and clean conditions without using any photocatalysts is reported.This approach exhibited favorable compatibility with functional groups and afforded a series of DHCB

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The restructuring of the fiscal equalization system in Croatia

The aim of this paper is to propose a model of fiscal equalization in Croatia.This paper tests the hypothesis of a lack of effectiveness of the existing fiscal equalization model compared to a model that would be based on alleviating the difference in the potential to collect revenue from the personal income tax and surtax.Fiscal inequalities of lo

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