naphthalene derivative meaning in Hindi

Examples

1. In addition, he had been exploring new syntheses of indolizines and of naphthalene derivatives.
2. Others are dimers of naphthalene derivatives such as 1, 1'- bi-2-naphthol.
3. However, stable naphthalene derivatives do exist in the laboratory such as the 2-germanaphthalene-containing substance represented below.
4. "' Naphthylvinylpyridine "'( NVP ) is a naphthalene derivative that possesses anticholinergic activity similar to that of atropine.
5. The compound can also be obtained through UV-irratiation of certain naphthalene derivatives such as 1, 4-epoxy-1, 4-dihydronaphthalene.
6. Later he made important contributions to the knowledge of dehydracetic acid, describing a number of very remarkable'condensations,'whereby it is converted into pyridine, orcinol and naphthalene derivatives.
7. He had already started on the systematic synthesis, degradation, and structural constitution of many naphthalene derivatives in 1881, building on earlier work on benzene derivatives and Erlenmeyer s proposal for the structure of naphthalene.
8. Benzyne is generated in situ from a benzene compound attached to a triflate and a trimethylsilyl substituent in the ortho-positions and reacts with a di-yne such as 1, 7-octadiyne along with a nickel ( II ) bromide / zinc catalyst system ( NiBr 2 bis ( diphenylphosphino ) ethane / Zn ) to synthesize the corresponding naphthalene derivative.