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
References in periodicals archive ?
D-mannose exists as a ring structure or a straight chain.
The aminated lignin possesses good thermal stability due to the aromatic ring structure and many polar bonds.
The characteristic signals of oxazine ring structure assigned to-Ph-C[H.
He said that in this dense cloud, a chemical reaction takes place that enables the formation of several kinds of complex molecules, including methanol, asserting that one would expect that all of the molecules would be near the star, but with one of them they saw a clear ring structure.
The research team discovered that the venom protein causes lipids to bend into a ring structure, generating a cyclical chemical product that is very different than the linear molecule it was assumed to produce.
Addex says it simplified the original air ring structure by moving the electronic circuit board from outside of the air ring into the plenum area.
This is part of the stiffening effect of this ring structure.
The ring structure of SCAN saves about 60% CAPEX compared with point to point connection.
org/images/opo9738 c20) show the planetary has a double ring structure, with a bright inner ring and a fainter outer envelope ejected from the dying central star early on in its red giant stage.
My point was the inflexibility of the 2003 Bull Ring structure - after only eight years, part of it, including the prizewinning caf pavilion, had to be demolished in order to make three new restaurants.
3], Formula (I) wherein R, in combination with the nitrogen (N) atom, is a substituted or unsubstituted heterocyclic aromatic or non-aromatic compound which includes a ring structure with one or more nitrogen atoms as part of the ring; [R.
The drilling program is designed to test the following objectives: 1) infill and extension drilling in the northern area of the Sofia Zone, 2) extension drilling to the west of the existing drilling in the North Zone, 3) infill and extension drilling in the # 7 Zone, 4) initial testing of the underexplored southwest portion of the Rio Grande ring structure, 5) deep drilling into the deep porphyry targets in the center of the Rio Grande ring structure.