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  2. Cyclic compound - Wikipedia

    en.wikipedia.org/wiki/Cyclic_compound

    A cyclic compound (or ring compound) is a term for a compound in the field of chemistry in which one or more series of atoms in the compound is connected to form a ring.

  3. Polycyclic compound - Wikipedia

    en.wikipedia.org/wiki/Polycyclic_compound

    Longifolene, a terpene natural product, and an example of a tricyclic molecule Cholesterol, another terpene natural product, in particular, a steroid, a class of tetracyclic molecules Benzo[]pyrene, a pentacyclic compound both natural and man-made Pagodane, a man-made polycyclic compound

  4. Heterocyclic compound - Wikipedia

    en.wikipedia.org/wiki/Heterocyclic_compound

    A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). [1] Heterocyclic organic chemistry is the branch of organic chemistry dealing with the synthesis, properties, and applications of organic heterocycles. [2]

  5. List of straight-chain alkanes - Wikipedia

    en.wikipedia.org/wiki/List_of_straight-chain_alkanes

    The following is a list of straight-chain alkanes, the total number of isomers of each ... Synonyms 1 1 1 CH 4: methane: methyl hydride; natural gas 2 1 1 C 2 H 6:

  6. List of cycles - Wikipedia

    en.wikipedia.org/wiki/List_of_cycles

    This is a list of recurring ... Almost periodic function – Amplitude modulation – Amplitude – Beat – Chaos theory – Cyclic group – Diffraction – Doppler ...

  7. Sesquiterpene - Wikipedia

    en.wikipedia.org/wiki/Sesquiterpene

    Cyclic sesquiterpenes are more common than cyclic monoterpenes because of the increased chain length and additional double bond in the sesquiterpene precursors. In addition to common six-membered ring systems such as the ones found in zingiberene and bisacurone , cyclization of one end of the chain to the other end can lead to macrocyclic rings ...

  8. Heterocyclic amine - Wikipedia

    en.wikipedia.org/wiki/Heterocyclic_amine

    This cyclic structure is composed of one atom of nitrogen and four carbon. Nicotine is a molecule containing a pyrrolidine ring attached to a ring of pyridine (other heterocyclic amine). Nicotine belongs to a group of compounds known as alkaloids, which are naturally occurring organic compounds with nitrogen in them.

  9. Aliphatic compound - Wikipedia

    en.wikipedia.org/wiki/Aliphatic_compound

    Acyclic aliphatic/non-aromatic compound Cyclic aliphatic/non-aromatic compound (cyclobutane)In organic chemistry, hydrocarbons (compounds composed solely of carbon and hydrogen) are divided into two classes: aromatic compounds and aliphatic compounds (/ ˌ æ l ɪ ˈ f æ t ɪ k /; G. aleiphar, fat, oil).