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S-(+)-Carvone is the principal constituent (60–70%) of the oil from caraway seeds (Carum carvi), [8] which is produced on a scale of about 10 tonnes per year. [3] It also occurs to the extent of about 40–60% in dill seed oil (from Anethum graveolens), and also in mandarin orange peel oil.
In 1908, it was reported that exposure of carvone to "Italian sunlight" for one year gives carvone-camphor. [2] Subsequent investigations demonstrated the utility of the photochemical [2+2] cycloaddition of enones to alkenes, requiring only "sunlight in California for 6.5 months". [3] [4]
The M970 Semi-Trailer Refueler is a 5,000-U.S.-gallon (19,000 L; 4,200 imp gal) fuel dispensing tanker designed for under/overwing refueling of aircraft. It is equipped with a filter/separator, recirculation system and two refueling systems, one for underwing and one for overwing servicing.
Levopropoxyphene is an antitussive.It is an optical isomer of dextropropoxyphene.The racemic mixture is called propoxyphene.Only the dextro-isomer (dextropropoxyphene) has an analgesic effect; the levo-isomer appears to exert only an antitussive effect.
Dextropropoxyphene [5] is an analgesic in the opioid category, patented in 1955 [6] and manufactured by Eli Lilly and Company.It is an optical isomer of levopropoxyphene.It is intended to treat mild pain and also has antitussive (cough suppressant) and local anaesthetic effects.
This Dutch oven comes in a wide range of sizes, from 2 quarts all the way up to 13.25 quarts, and we tested the popular 7.25-quart size, which is recommended for cooking seven or eight servings at ...
[1] [2] It is also used in chemical synthesis as a precursor to carvone and as a renewables-based solvent in cleaning products. [1] The less common (-)-isomer has a piny, turpentine-like odor, and is found in the edible parts of such plants as caraway, dill, and bergamot orange plants. [3] Limonene takes its name from Italian limone ("lemon"). [4]
Levomethorphan (LVM) (INN, BAN) is an opioid analgesic of the morphinan family that has never been marketed. [2] It is the L-stereoisomer of racemethorphan (methorphan). [2] The effects of the two isomers of racemethorphan are quite different, with dextromethorphan (DXM) being an antitussive at low doses and a dissociative hallucinogen at much higher doses. [3]