File:Decahydronaphthalene.svg

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Summary

DescriptionDecahydronaphthalene.svg	English: Chemical structure of decahydronaphthalene, a.k.a. Decalin; carbons numbered according to different IUPAC numbering rules. The blue numbers depict the IUPAC rules for numbering of fused polycyclic hydrocarbons. This nomenclature is preferred for polycylics consisting of at least two fused rings with a circumference of at least five atoms each (see here, p.90). The grey numbers depict the numbering according to the von-Baeyer nomenclature for polycyclics. In principle, this nomenclature can also be applied to decahydronaphthalene, which would be called bicyclo[4.4.0]decane. In the case of decahydronaphthalene the blue numbering variant is preferred because decahydronaphthalene consists of two fused cycles with a circumference of 6 atoms each.
Date	9 November 2018
Source	Own work
Author	Hbf878

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File history

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	Date/Time	Dimensions	User	Comment
current	20:20, 20 January 2019	595 × 410 (3 KB)	Hbf878	made IUPAC-preferred numbers blue
	15:04, 14 January 2019	595 × 410 (3 KB)	Hbf878	smaller font size
	14:51, 14 January 2019	595 × 410 (3 KB)	Hbf878	smaller numbers
	14:41, 14 January 2019	595 × 410 (5 KB)	Hbf878	corrected numbering
	15:48, 9 November 2018	512 × 355 (5 KB)	Hbf878	User created page with UploadWizard