Decalin (decahydronaphthalene, also known as bicyclo [4.4.0]decane and sometimes decaline), [3] a bicyclic organic compound, is an industrial solvent. A colorless liquid with an aromatic odor, it is used as a solvent for many resins or fuel additives. [4] Decalin occurs in cis and trans forms.

2021年10月14日 · Decalene | C18H16 | CID 53741101 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

2014年8月5日 · trans -Decalin Cannot Undergo Ring Flips. It Is Conformationally “Locked” The parent molecule is called “decalin” since there are ten carbons in total. However, remember that any time we have two substituents on a cyclohexane ring (as we do here), it is essential to draw in the stereochemistry in order to avoid ambiguity!

2005年9月26日 · In many of the syntheses, the key step in the formation of cis -decalins involves the saturation of the double bond at the ring junction in the decalenes such as 7 (Scheme 1). Alternatively, these decalenes can also be converted into the trans -decalins 9 using different reagents/conditions.

2023年2月1日 · We explored the biosynthetic pathway of the fungal natural product fischerin (1) to identify a new pericyclase FinI that can catalyze such a reaction. The cocrystal structure of FinI, a predicted O- methyltransferase, with the product and SAM provides insight into cis- decalin formation in nature.

Cis and trans decalins are stereoisomers of the bicyclic molecule formed by the fusion of two cyclohexane rings.

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2023年1月19日 · Decalin is formed by the fusion of two 6-membered rings and is the most important fused ring among others. The IUPAC name for decalin is bicyclo [4.4.0] decane. Similar to cyclohexane, the six-membered rings of decalin are expected to be most stable in the chair form. However, joining two chairs is a possibility in two different methods.

When the two rings are joined through two equatorial-type bonds, trans -decalin results, whereas an axial-equatorial union gives cis -decalin.

To convert trans -decalin into its cis -stereoisomer requires a configurational change. Imagine switching the position of the blue carbon with the methine hydrogen attached to the gray fusion carbon (the one to which the blue and magenta carbons are attached). This conceptual exercise produces the JSmol structure of cis-decalin 1.