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In chemistry, an open-chain compound (also spelled as open chain compound) or acyclic compound (Greek prefix "α", without and "κύκλος", cycle) is a compound with a linear structure, rather than a cyclic one.An open-chain compound having no side chains is called a straight-chain compound (also spelled as straight chain compound). Many of the simple molecules of organic chemistry, such as the alkanes and alkenes, have both linear and ring isomers, that is, both acyclic and cyclic, with the latter often classified as aromatic. For those with 4 or more carbons, the linear forms can have straight-chain or branched-chain isomers. The lowercase prefix n- denotes the straight-chain isomer; for example, n-butane is straight-chain butane, whereas i-butane is isobutane. Cycloalkanes are isomers of al

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  • Acyclische Verbindungen (de)
  • Comhdhúil shlabhroscailte (ga)
  • Composé à chaîne ouverte (fr)
  • 鎖式化合物 (ja)
  • Open-chain compound (en)
  • Związki acykliczne (pl)
rdfs:comment
  • Als acyclische Verbindungen werden chemische (meist organische) Verbindungen bezeichnet, bei denen die an der Struktur beteiligten Atome Ketten bilden und frei von Ringen sind. Die Verbindungen können gerade oder verzweigt sein und Heteroatome enthalten. Einfache Vertreter der organischen homoatomaren acyclischen Verbindungen sind die n-Alkane und iso-Alkane. Falls Ringe im Molekül vorhanden sind, spricht man von cyclischen Verbindungen. (de)
  • 化学において、鎖式化合物(さしきかごうぶつ、英語: open chain compound)または非環式化合物(ひかんしきかごうぶつ、英語: acyclic compound)とは、直線状で環が一つもない分子構造の化合物のことである。鎖式化合物のうち分枝が無いものを直鎖化合物(ちょくさかごうぶつ、英語: straight-chain compound)と呼ぶ。 (ja)
  • Związki acykliczne – związki organiczne, które nie mają budowy cyklicznej (otwarte łańcuchy węglowe). Do tej grupy nie mogą należeć związki aromatyczne oraz alifatyczne posiadające w swoim łańcuchu pierścień.Przykładami związków acyklicznych są: metan, kwas octowy czy glutation. (pl)
  • En chimie, un composé à chaîne ouverte est un composé chimique qui n'est pas cyclique. On dit par conséquent d'un tel composé qu'il est acyclique. Les composés à chaîne ouverte peuvent être à chaîne linéaire s'ils ne possèdent pas de chaîne latérale, ou à chaîne ramifiée dans le cas contraire ; ces différentes géométries moléculaires peuvent être mises à profit pour séparer des composés chimiques aux géométries variées. (fr)
  • Sa cheimic, is éard is comhdhúil shlabhroscailte nó comhdhúil neamhchioglach ann (Gréigis: réimír "α", gan agus "κύκλος", ciogal ) ná comhdhúil le struchtúr líneach, seachas cioglach. Tugtar comhdhúil shlabhroscailte ar chomhdhúil nach bhfuil taobhshlabhraí aici Tá isiméirí líneacha agus fáinneacha araon ag go leor de mhóilíní simplí na ceimice orgánaí, mar na halcáin agus na hailcéiní, is é sin,neamhchioglach agus cioglach, agus is minic a aicmítear an dara ceann mar aramatach . Dóibh siúd a bhfuil 4 charbón nó níos mó acu, is féidir isiméirí slabhraí díreacha nó isiméiri slabhraí brainseacha bheith ag na foirmeacha líneacha. Léiríonn an réimír cáis íochtair n- an isiméir slabhra dhírigh; mar shampla, tá slabhra díreach ag n-bútán tá i-bútán ina iseabútán . Is isiméirí na n-ailcéiní iad (ga)
  • In chemistry, an open-chain compound (also spelled as open chain compound) or acyclic compound (Greek prefix "α", without and "κύκλος", cycle) is a compound with a linear structure, rather than a cyclic one.An open-chain compound having no side chains is called a straight-chain compound (also spelled as straight chain compound). Many of the simple molecules of organic chemistry, such as the alkanes and alkenes, have both linear and ring isomers, that is, both acyclic and cyclic, with the latter often classified as aromatic. For those with 4 or more carbons, the linear forms can have straight-chain or branched-chain isomers. The lowercase prefix n- denotes the straight-chain isomer; for example, n-butane is straight-chain butane, whereas i-butane is isobutane. Cycloalkanes are isomers of al (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Isopentane_svg.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Pentane-2D-Skeletal.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Cyclopentane2d.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/HexosesHemiacetal.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Nonane_3D_ball.png
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  • Als acyclische Verbindungen werden chemische (meist organische) Verbindungen bezeichnet, bei denen die an der Struktur beteiligten Atome Ketten bilden und frei von Ringen sind. Die Verbindungen können gerade oder verzweigt sein und Heteroatome enthalten. Einfache Vertreter der organischen homoatomaren acyclischen Verbindungen sind die n-Alkane und iso-Alkane. Falls Ringe im Molekül vorhanden sind, spricht man von cyclischen Verbindungen. (de)
  • In chemistry, an open-chain compound (also spelled as open chain compound) or acyclic compound (Greek prefix "α", without and "κύκλος", cycle) is a compound with a linear structure, rather than a cyclic one.An open-chain compound having no side chains is called a straight-chain compound (also spelled as straight chain compound). Many of the simple molecules of organic chemistry, such as the alkanes and alkenes, have both linear and ring isomers, that is, both acyclic and cyclic, with the latter often classified as aromatic. For those with 4 or more carbons, the linear forms can have straight-chain or branched-chain isomers. The lowercase prefix n- denotes the straight-chain isomer; for example, n-butane is straight-chain butane, whereas i-butane is isobutane. Cycloalkanes are isomers of alkenes, not of alkanes, because the ring's closure involves a C-C bond. Having no rings (aromatic or otherwise), all open-chain compounds are aliphatic. Typically in biochemistry, some isomers are more prevalent than others. For example, in living organisms, the open-chain isomer of glucose usually exists only transiently, in small amounts; D-glucose is the usual isomer; and L-glucose is rare. Straight-chain molecules are often not literally straight, in the sense that their bond angles are often not 180°, but the name reflects that they are schematically straight. For example, the straight-chain alkanes are wavy or "puckered", as the models below show. (en)
  • Sa cheimic, is éard is comhdhúil shlabhroscailte nó comhdhúil neamhchioglach ann (Gréigis: réimír "α", gan agus "κύκλος", ciogal ) ná comhdhúil le struchtúr líneach, seachas cioglach. Tugtar comhdhúil shlabhroscailte ar chomhdhúil nach bhfuil taobhshlabhraí aici Tá isiméirí líneacha agus fáinneacha araon ag go leor de mhóilíní simplí na ceimice orgánaí, mar na halcáin agus na hailcéiní, is é sin,neamhchioglach agus cioglach, agus is minic a aicmítear an dara ceann mar aramatach . Dóibh siúd a bhfuil 4 charbón nó níos mó acu, is féidir isiméirí slabhraí díreacha nó isiméiri slabhraí brainseacha bheith ag na foirmeacha líneacha. Léiríonn an réimír cáis íochtair n- an isiméir slabhra dhírigh; mar shampla, tá slabhra díreach ag n-bútán tá i-bútán ina iseabútán . Is isiméirí na n-ailcéiní iad na cioglailcéiní, ní na halcáin, toisc go bhfuil naisc C-C i gceist le dúnadh an fháinne. Gan aon fháinní (aramatacha nó eile), tá na comhdhúile slabhroscailte go léir alafatach . (ga)
  • En chimie, un composé à chaîne ouverte est un composé chimique qui n'est pas cyclique. On dit par conséquent d'un tel composé qu'il est acyclique. Les composés à chaîne ouverte peuvent être à chaîne linéaire s'ils ne possèdent pas de chaîne latérale, ou à chaîne ramifiée dans le cas contraire ; ces différentes géométries moléculaires peuvent être mises à profit pour séparer des composés chimiques aux géométries variées. Les oses présentent la particularité d'exister aussi bien sous forme cyclique qu'acyclique, certains pouvant présenter plusieurs formes cycliques. C'est par exemple le cas du glucose, qui possède cinq tautomères différents dont les abondances relatives en solution aqueuse à 20 °C sont : (fr)
  • 化学において、鎖式化合物(さしきかごうぶつ、英語: open chain compound)または非環式化合物(ひかんしきかごうぶつ、英語: acyclic compound)とは、直線状で環が一つもない分子構造の化合物のことである。鎖式化合物のうち分枝が無いものを直鎖化合物(ちょくさかごうぶつ、英語: straight-chain compound)と呼ぶ。 (ja)
  • Związki acykliczne – związki organiczne, które nie mają budowy cyklicznej (otwarte łańcuchy węglowe). Do tej grupy nie mogą należeć związki aromatyczne oraz alifatyczne posiadające w swoim łańcuchu pierścień.Przykładami związków acyklicznych są: metan, kwas octowy czy glutation. (pl)
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