Resumo em Inglês:

Porphyrinoid compounds such as chlorins and bacteriochlorin have currently been widely studied to remedy health problems, develop new technologies, apply in solar cells, and decontaminate food, aiming for sustainability. Its wide applicability demonstrates the potential of these derivatives to solve society’s problems. Thus, this work seeks to understand more about the reactivity and properties of these derivatives. In this way, structural changes were made to chlorophyll, giving rise to three chlorin compounds (1-3), and also to bacteriochlorophyll, giving rise to three bacteriochlorins (4-6). The experimentally obtained results were analyzed by infrared and UV-Vis spectroscopy and the experimental spectroscopic data were compared with data obtained theoretically with Gaussian 09 software, using density functional theory (DFT), such as B3LYP and CAM-B3LYP. After the analyses, it was observed that the data obtained experimentally are quite similar to those obtained theoretically. Thus, it is possible to demonstrate that theoretical calculations are useful tools and can help predict molecules, often avoiding the synthesis of a given molecules in the laboratory, minimizing the use of reagents and solvents and thus contributing to sustainability.

Resumo em Inglês:

The objective of this work is to add the serious inconveniences that the pandemic brought with the social difficulties in education and health. Important institutions generated the 2030 Agenda that contains Sustainable Development Goals to be implemented in the period 2016-2030. These 17 objectives have been outlined to encompass the wide range of societal challenges, such as economic and environmental, that influence social communities (family, school). This work will focus on Sustainable Development Goals 3 and 4, respectively, which can only be met if citizens take into their hands the education that plays an important role in having a healthy life. This will consider the teaching and learning of sustainable chemistry in social contexts such as the classroom, the family, the links between students and teachers that cause diseases. The regrouping of students according to the work levels achieved during the crisis or the development of personalized proposals to intensify work processes is valid. This leads to living with decisions that will have good or bad results, which is why each region has different responses to the crisis experienced.