About 45% of the questions are asked from Organic Chemistry in any engineering entrance examination. Students should understand the mechanics of all the reactions in organic Chemistry. If students try ...
Figure 1: Cross-coupling reactions using configurationally stable, optically active secondary alkyl nucleophiles. Internal coordination of the nitrogen atom in the azastannatrane backbone was proposed ...
Proceedings of the Royal Irish Academy. Section B: Biological, Geological, and Chemical Science, Vol. 76 (1976), pp. 37-41 (5 pages) 4-Alkyl-1-cyanoacetylthiosemicarbazides are cyclised by hydrazine ...
It is very important to focus on all three subjects i.e., Physics, Chemistry and Mathematics to secure good rank in engineering entrance exam. Students can’t secure good rank in exam if they focus ...