And? These are also trivial names. Please check the IUPAC names for them. There are also others like Neoprene, Chloroprene, etc.
https://www.chemicalforums.com/index.php?topic=114617.msg402894#msg402894
hexaprene, heptaprene exist but butaprene,ethylprene don'#039t exist on google.co
https://www.chemicalforums.com/index.php?topic=114617.msg402893#msg402893
Isoprene is a trivial name for 2-Methyl-1,3-butadiene, i think it has nothing to do with the Iso nbsp like in Iso-propyl. There nbsp is no n-prene vise versa isoprene, like in Isopropyl to n-Pr...
https://www.chemicalforums.com/index.php?topic=114617.msg402892#msg402892
Two pentene I assume the third carbon is the middle one. You remove one hydrogen from that third carbon and you form a double bond from the 2nd to third carbon. I'#039m following the rule for iso...
https://www.chemicalforums.com/index.php?topic=114618.msg402891#msg402891
I don'#039t even know what the central atom of a isoprene is. Does the rule above work when you don'#039t have an odd number of carbons on the longest not necessarily straight b
https://www.chemicalforums.com/index.php?topic=114617.msg402890#msg402890