heterocyclic compound

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Noun1.heterocyclic compound - a compound containing a heterocyclic ring
chelate, chelate compound - a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions
chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
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References in periodicals archive ?
Findings revealed that while the orbiting moon did have an effect on the scattering of particles along the ring edge, the expected gaps in the ring structure were unlikely to be caused by the gravitational forces of a currently unseen moon orbiting outside the rings.
Astronomers through earlier data found one "clean gap" in the ring structure. Mathew Kenworthy, an astronomer at the (https://www.universiteitleiden.nl/en/science/astronomy) Leiden Observatory , explained that the "gap" is most likely to have been formed and carved out by a satellite.
The rigid molecular chain structure of PBO consists of a benzene-fused oxazole ring structure. PBO fiber is also stated to be almost ten times stronger than steel.
In the study, researchers detailed the modular scheme for producing large quantities of the 5-8-5 ring structure. A synthesis process that was once exceptionally labour- and resource-intensive, they discovered, can be now streamlined into simple steps.
This implies the presence of the pyridine ring structure in the extract oil and the shale oil.
The proposed 2022 FIFA World Cup Qatar venue will be the first building in Qatar to have a tensile-compression ring structure, and also features an inner perimeter with no columns and no obstructions between spectators and the field of play.
SBS & SCBS Automatic braking Systems, Mazda Radar Cruise Control, Adaptive Front light System, Advance Blind Spot Monitoring, Lane Keep Assist, the rigid SKYACTIV-Body with ring structure, seatbelt with pretensioner and load limiter, anti-intrusion brake pedal,
SBS and SCBS Automatic braking Systems, Mazda Radar Cruise Control, Adaptive Front light System, Advance Blind Spot Monitoring, Lane Keep Assist, the rigid Skyactiv-Body with ring structure, seatbelt with pretensioner and load limiter, anti-intrusion brake pedal, SRS Airbag Systems and the Lane departure warning system are just a few of its impressive safety features.
2D) show that [beta]-1 contains mainly an aromatic ring structure and secondly aliphatic side chains.
The imidazole ring also provides a large contribution to rotational freedom, and as such, the planarization of this ring structure will have a large effect on the polypyridyl ligand on a whole.
Whereas the LSCD could ensure the detection probability equal to 1 theoretically, because it adopts ring structure and forms witness arcs with a certain length, meanwhile, the detection routes are perpendicular to the arc (centrifugal) and the distance of each two adjacent detection routes is less than the arc length.