four-[membered] ring

four-[membered] ring
чотиричленне кільце

English-Ukrainian analytical chemistry dictionary. 2013.

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Смотреть что такое "four-[membered] ring" в других словарях:

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  • four-membered — adjective of a chemical compound having a ring with four members • Syn: ↑4 membered • Similar to: ↑membered …   Useful english dictionary

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  • Carbon ring — Carbon rings are rings of carbon atoms. Rings of five and six carbons are by far the most common, as they allow bond angles close to the ideal angle of 109.5 degrees. Rings of three and four are possible, but with bond angles of 60 and 90 degrees …   Wikipedia

  • 4-membered — adjective of a chemical compound having a ring with four members • Syn: ↑four membered • Similar to: ↑membered …   Useful english dictionary

  • organosulfur compound — ▪ chemical compound Introduction also spelled  organosulphur compound , also called  organic sulfur compound   a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …   Universalium

  • epoxy — Chemical term describing an oxygen atom bound to two linked carbon atoms Generally, any cyclic ether, but commonly applied to a 3 membered ring; specifically, a three membered ring is an oxirane, a four membered …   Medical dictionary

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  • Ab initio quantum chemistry methods — are computational chemistry methods based on quantum chemistry.[1] The term ab initio was first used in quantum chemistry by Robert Parr and coworkers, including David Craig in a semiempirical study on the excited states of benzene.[2][3] The… …   Wikipedia

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