polyphosphoric acid
National Institutes of Health
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
This paper provides details on the 2007 reconstruction of several cells on the Minnesota Road Research Project (MnROAD) low…
In a model reaction to demonstrate the presence and reactivity of sp2 C−H, the primary particles (∼5 nm) of detonation…
The properties of neat asphalt and mixes can be significantly improved by the addition of polyphosphoric acid at relatively low…
In refluxing toluene, EPZ10 was found to be the mostreactive among three catalysts, giving the product in 84%isolated yield…
The gas-phase calcium and strontium monopyrrolate molecules were synthesized by the direct reaction between the metal vapor and…
(±)-Phenanthro[9,10-f]indolizidine (I), the basic skeleton of the Tylophora alkaloids, was synthesized by a modification of the…
A general synthesis of cycloalkan[b]indolones from 3-indolealkanoic acids is described. Effect of 1-alkyl substitution of indole…
Aromatic azides with a para-substituent decompose thermally in a mixture of polyphosphoric and a carboxylic acid to give oxazoles…
The use of polyphosphoric acid in syntheses of 1-substituted 3,4-dihydroisoquino-lines from N-acyl phenethylamines has been…
Conversion of an alpba -amino acid to its corresponding 2,5-diketopiperazine was accomplished by heating the amino acid with a…