The suffix -ene is used in organic chemistry to form names of organic compounds where the -C=C- group has been attributed the highest priority according to the rules of organic nomenclature.[1] Sometimes a number between hyphens is inserted before it to say that the double bond is between that atom and the atom with the next number up. This suffix is taken from the end of the word ethylene, which is the simplest alkene. The final "-e" disappears if it is followed by a suffix that starts with a vowel, e.g. "-enal" which is a compound that contains both a -C=C- bond and an aldehyde functional group. If the other suffix starts with a consonant, the final "-e" remains, e.g. "-enediyne" (which has the "-ene" suffix and also the "-yne" suffix, for a compound with a double bond and two triple bonds.)
A Greek number prefix before the "-ene" indicates how many double bonds there are in the compound, e.g. butadiene.
References [link]
- ^ Nomenclature of Organic Chemistry (3 ed.). London: Butterworths. 1971 (3rd edition combined) [1958 (A: Hydrocarbons, and B: Fundamental Heterocyclic Systems), 1965 (C: Characteristic Groups)]. ISBN 0-408-70144-7.
See also [link]
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Ene River
The Ene River (Spanish: Río Ene) is a Peruvian river on the eastern slopes of the South American Andes.
Geography
The Ene is formed at 12°15′45″S 73°58′30″W / 12.26250°S 73.97500°W at the confluence of the Mantaro River and the Apurímac River, circa 400 m above sea level, where the three Peruvian Regions Junín, Cusco, and Ayacucho meet.
The river flows in a northwesterly direction at a total length of 180.6 km.
The Ene River is part of the headwaters of the Amazon River whose origin is at the Mismi south of Cuzco where it first becomes Apurímac River, then the Ene River and Tambo River before its waters meet the Ucayali River which later forms the Amazon.
At 11°09′39″S 74°14′48″W / 11.16083°S 74.24667°W the Ene River joins the Perené River at the town Puerto Prado, 295 m above sea level, and is called the Tambo from then on.
Threats
The proposed 2,200-megawatt Pakitzapango hydroelectric dam would flood much of the Ene River valley.
Ene (name)
Ene may be both a given name and a surname.
Given name
Surname
Hyundai Trajet
The Hyundai Trajet (Hangul: 현대 트라제 ; pronounced as tra-jay, derived from the French word, meaning "travel from one point to another"), ) is an 8-seater multi-purpose vehicle that was manufactured by Hyundai Motor Company between 1999 and 2008. The series was launched in 1999 with the 2.0 GSI models and a choice of gasoline, diesel or LPG power, followed by the limited edition SE 2.7 V6 in 2001.
The Trajet models have three rows of seats. A variety of seating configurations allows for extra luggage space, and the seats can be removed to accommodate larger items. The front seats can rotate through 180 degrees to face the passengers at the back when the car is stationary, and the back seats can also be turned into tables, making a virtual office space or picnic area.
Hyundai stated that Hyundai Starex is not the Trajet's successor, because the Grand Starex is not a minivan. The Kia-based Entourage is the closest thing to direct successor, but it is only available in a limited number of markets. The Trajet competed in the same market segment as Kia Carnival and Toyota Sienna.
