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4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) is an azodicarbonyl compound. PTAD is one of the strongest dienophiles and reacts rapidly with dienes in Diels-Alder reactions . [ 1 ] The most prominent use of PTAD was the first synthesis of prismane in 1973.
1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) is a chemical compound with the formula C 7 H 12 N 2. [1] It is an amidine base used in organic synthesis. A related compound with related functions is 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU). The relatively complex nature of the formal names for DBU and DBN (hence the common use of acronyms) reflects the ...
The 3 by 5 Initiative was an initiative of the World Health Organization (WHO) to provide antiretroviral treatment to patients with HIV/AIDS in low- and middle-income countries. [1] The program lasted from December 2003 to December 2005, [ 2 ] and the name "3 by 5" refers to the goal of treating 3 million people by 2005.
4-Caffeoyl-1,5-quinide (4-caffeoylquinic-1,5-lactone or 4-CQL) is found in roasted coffee beans. It is formed by lactonization of 4- O - caffeoylquinic acid during the roasting process. [ 1 ]
After months of searching for the right person to lead her lifestyle brand, Meghan Markle has reportedly decided to take the reins herself, appointing herself CEO of American Riviera Orchard. The ...
Robert Shouse, 37, of Houston, was sentenced to 30 years in prison for running a child sex abuse website and sexually abusing a 9-year-old.
According to the National Christmas Tree Association, most Christmas trees need about 7 to 10 years to reach the ideal height for decorating, which is typically around 6 or 7 feet.This means that ...
4-Amino-3-hydrazino-5-mercapto-1,2,4-triazole is an organic compound with the formula SC 2 N 3 H(NH 2)(N 2 H 3). The compound consists of a 1,2,4-triazole heterocycle with three functional groups: amine, thioamide and hydrazyl. X-ray crystallography shows that this molecule is polar but with a C=S double bond. It is prepared by the reaction of ...