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Oxindole (2-indolone) is an aromatic heterocyclic organic compound with the formula C 6 H 4 CH 2 C(O)NH. It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing ring. Oxindole is a modified indoline with a substituted carbonyl at the second position of the 5-member indoline ring ...
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Indole is an organic compound with the formula C 6 H 4 CCNH 3.Indole is classified as an aromatic heterocycle.It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered pyrrole ring.
Phenylhydrazine is used to prepare indoles by the Fischer indole synthesis, which are intermediates in the synthesis of various dyes and pharmaceuticals.. Phenylhydrazine is used to form phenylhydrazones of natural mixtures of simple sugars in order to render the differing sugars easily separable from each other.
Indole-3-acetic acid (IAA, 3-IAA) is the most common naturally occurring plant hormone of the auxin class. It is the best known of the auxins, and has been the subject of extensive studies by plant physiologists. [1]
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Melting point 125 to 126 °C (257 to 259 °F; 398 to 399 K) Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
However, at very high pressures higher melting temperatures are generally observed as the liquid usually occupies a larger volume than the solid making melting more thermodynamically unfavorable at elevated pressure. If the liquid has a smaller volume than the solid (as for ice and liquid water) a higher pressure leads to a lower melting point.