Diethylazodicarboxylate,CAS number 1972-28-7,molecular formula(C2H5OOCN)2,English name Diethylazodicarboxylate,DEAD is a Michael addition receptor.Under the catalysis of copper salts,it reacts withβ-Ketone ester reaction yields hydrazine derivatives.DEAD can also act as a hydrophilic diene to undergo Diels Alder reactions with conjugated dienes,generating[4+2]adducts.If the diene component is aryl ethylene,it can be used for the synthesis of cyclotetrahydropyridazine.The generated adducts can

Diisopropyl azodicarboxylic acid is a commonly used polymer material, which has excellent heat resistance and chemical resistance, and is therefore widely used in various fields. However, as the temperature increases, diisopropyl azodicarboxylic acid will decompose, which poses certain limitations on its application. The decomposition temperature of diisopropyl azodicarboxylic acid refers to the temperature at which

The report shows that the US photovoltaic industry is expected to continue its growth momentum in 2024,with photovoltaic power generation accounting for over 50%of the newly added grid installed capacity last year. According to a report released by Wood Mackenzie and the American Photovoltaic Industry Association on Wednesday,the US photovoltaic industry is expected to continue

The industry forecast released by the American Chemical Council(ACC)recently shows that the US chemical industry has overcome a difficult year of 2023,and the economy will continue to be sluggish or even recession in 2024.ACC assessment shows that although the US chemical industry production(excluding pharmaceuticals)will decrease by 1.0%in 2023,there will be a slight improvement in 2024,with

The goal of the Netherlands is to achieve 27%of energy consumption from renewable energy sources(such as biomass,solar,wind,etc.)by 2030,and 70%of electricity generation from renewable energy sources by 2030.According to data from the Dutch Central Bureau of Statistics,the proportion of renewable energy in the total energy consumption in the Netherlands has reached 15%in 2022,with biomass energy accounting

Meg O’Neill,CEO of Woodside Energy Group,stated that the company will continue to negotiate a merger with Santos Limited.The recent major oil and gas industry mergers and acquisitions in the United States have involved low premiums,and the acquisition between Woodside and Santos has added value to shareholders. Woodside’s oil and gas production increased by 19%in 2023,reaching

On January 25th, the National Energy Administration held a press conference to introduce the development of new energy storage in China in 2023, the construction of a unified national electricity market system, the background of the establishment of International Clean Energy Day, and China’s contribution to global clean energy development, and answered questions from reporters.

The International Energy Agency(IEA)recently stated that with China’s strong promotion of the use of renewable energy,global coal demand may peak in 2023 and decrease by 2.3%in the next three years.This is the first time that the International Energy Agency has predicted that coal demand will decline within three years. The International Energy Agency predicts that

EIA has raised expectations for the growth rate of crude oil demand.Looking ahead to 2024,commodity trading service provider Jin Lianchuang believes that from the trend of oil prices,the international crude oil market may re evaluate the supply and demand fundamentals in 2024.With the increase in crude oil supply from non OPEC countries,crude oil prices may

Recently,the market price of coking coal has slightly declined,but the long-term agreement price of coking coal in the first quarter has increased by a maximum of 200 yuan/ton compared to the fourth quarter of last year,which is beyond the expectations of some industry insiders. The reporter learned from some listed coking coal companies that in