different between methine vs polymethine

methine

English

Noun

methine (plural methines)

  1. (organic chemistry) The tervalent functional group, -CH=, having one single bond and one double bond

Related terms

  • methinic

methine From the web:

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polymethine

English

Etymology

poly- +? methine

Noun

polymethine (plural polymethines)

  1. (organic chemistry) A compound made up from an odd number of methine groups bound together by alternating single and double bonds.

See also

  • polyene (a similar compound with an even number of methine groups)

polymethine From the web:

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