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Topic: Longifolene

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	Resin - Wikipedia, the free encyclopedia
		Resin as produced by most plants is a viscous liquid, typically composed mainly of volatile fluid terpenes, with lesser components of dissolved non-volatile solids which make resin viscous and sticky.
		The commonest terpenes in resin are the bicyclic terpenes alpha-pinene, beta-pinene, delta-3 carene and sabinene, the monocyclic terpenes limonene and terpinolene, and smaller amounts of the tricyclic sesquiterpenes longifolene, caryophyllene and delta-cadinene.
		The individual components of resin can be separated by fractional distillation.
	en.wikipedia.org /wiki/Resin (757 words)

	Queensborough Community College (Site not responding. Last check: 2007-10-16)
		Karimi, P. Tavares, “An Efficient Formal Synthesis of the sesquiterpenoid Longifolene”, J.
		Tavares, S. Karimi,“Total Synthesis of Longifolene” 50 th Symposium of the American Chemical Society for Undergraduate Research, Hofstra University, May 4, 2002.
		PSC-CUNY award entitled PSC/CUNY 32 “An Approach Toward a Total Synthesis of Longifolene”, The award is in the amount of $4,325 for one year 2001-2002.
	www.qcc.cuny.edu /Chemistry/Faculty/Karimi.asp (1142 words)

	Wicker Resin
		Resin as produced by most plants is a viscous liquid, typically composed mainly ofvolatile fluid terpenes, with lesser components of dissolved non-volatile solidswhich make Rasin viscous and sticky.
		The commonest terpenes in Rrsin are the bicyclic terpenes alpha-pinene, beta-pinene, delta-3 carene and sabinene, the monocyclic terpenes limonene and terpinolene, and smaller amounts of thetricyclic sesquiterpenes longifolene, caryophyllene and delta-cadinene.
		The individual components of can be separated by fractional distillation.
	www.musicians-resource.com /site/35742-wicker-resin.html (310 words)

	Resin Products (Site not responding. Last check: 2007-10-16)
		Resin as produced by most plants is a viscous liquid, typically composed mainly ofvolatile fluid terpenes, with lesser components of dissolved non-volatile solidswhich make Resn viscous and sticky.
		The commonest terpenes in Rdsin are the bicyclic terpenes alpha-pinene, beta-pinene, delta-3 carene and sabinene, the monocyclic terpenes limonene and terpinolene, and smaller amounts of thetricyclic sesquiterpenes longifolene, caryophyllene and delta-cadinene.
		The individual components of Resun can be separated by fractional distillation.
	www.musicians-resource.com /site/8378-resin-products.html (248 words)

	Professor Sukh Dev A TRIBUTE (Site not responding. Last check: 2007-10-16)
		Detailed chemical studies on longifolene and isolongifolene led to this concept of 'Steric Diversion' and a new fragmentation reaction.
		A number of perfumery materials based in isolongifolene are in the market world-wide.
		Studies in sesquiterpenes-L. 3-Hydroxylongifolaldehyde, the elusive intermediate in the abnormal perbenzoic acid oxidation of longifolene, A. Joshi, U. Nayak and Sukh Dev, Tetrahedron 1976, 32, 1423.
	www.arkat-usa.org /ark/journal/2003/I03_Dev/SD-470T/SD-470T.asp (1879 words)

	MSU Chemistry - Gallery of Chemists' Photo-Portraits and Mini-Biographies - Individual (Site not responding. Last check: 2007-10-16)
		Professor Corey (to colleagues and friends, E.J.) is known for his many spectacular contributions to synthetic organic chemistry.
		The concept of "retrosynthetic analysis", which changed the way organic chemists undertake the synthesis of complex natural products, the synthesis of longifolene, maytansine, the ginkolides, prostaglandins and leukotrienes, the development of new synthetic methods, particularly using chiral catalysts, and the application of computers to synthesis design are among his most notable achievements.
		Corey has received many honors, including the Wolf Prize (1986), the National Medal of Science (1988), the Japan Prize in Medicinal Science (1989) and the Nobel Prize in Chemistry (1990).
	poohbah.cem.msu.edu /Portraits/PortraitsHH_Detail.asp?HH_LName=Corey (198 words)

	literature database (Site not responding. Last check: 2007-10-16)
		Here we report the isolation and functional characterization of nine additional terpene synthase (TPS) cDNAs from Norway spruce.
		These cDNAs encode four monoterpene synthases, myrcene synthase, (-)-limonene synthase, (-)-alpha/beta-pinene synthase, and (-)-linalool synthase; three sesquiterpene synthases, longifolene synthase, E,E-alpha-farnesene synthase, and E-alpha-bisabolene synthase; and two diterpene synthases, isopimara-7,15-diene synthase and levopimaradiene/abietadiene synthase, each with a unique product profile.
		To our knowledge, genes encoding isopimara-7,15-diene synthase and longifolene synthase have not been previously described, and this linalool synthase is the first described from a gymnosperm.
	dendrome.ucdavis.edu /literature/literature_detail.php?id=Martin_0032-0889_2004_1908_27 (271 words)

	sast
		He selects rapidly the bonds to be made (or broken in the retrosynthetic sense).
		In his synthesis of Longifolene, Corey (JACS, 1964, 86, 478) proposed the analytical approach which tries to find the strategic bonds.
		Two strategic bonds are displayed in red, if we delete them we obtain potential precursors, and the task of the chemist is to find a synthesis involving the formation of these bonds as the key-step.
	www.holowin.u-3mrs.fr /html/sasn.html (253 words)

	Natural Product Chemistry Achievements
		The process has been patented and released to the industry.
		A simple method has been developed for the preparation of isolongifolene from longifolene.
		A continuous microwave irradiation method for the production of trimethoxy benzoic acid and its ester from gallic acid and gallotannins and a batch process for the production of isoeugenol from Clocimum oil have been developed.
	www.rrljammu.org /rnd_groups/NPC/achievements.htm (182 words)

	Molecular Rearrangement of Longifolene by Arthrobacter ilicis T(inf2) -- Bhosle et al. 59 (5): 1691 -- Applied and ...
		Molecular Rearrangement of Longifolene by Arthrobacter ilicis T(inf2) -- Bhosle et al.
		Molecular Rearrangement of Longifolene by Arthrobacter ilicis T(inf2)
		structural rearrangement of longifolene, a sesquiterpene, resulting in the
	aem.asm.org /cgi/content/abstract/59/5/1691 (137 words)

	Welcome to Camphor & Allied Products
		Longifolene, Isolongifolene, Sandalica NE, Amberone, Gardinone, Ketone 101, Capinone, Astrolide 50, Capinol, Meracene
		Alpha Pinene Epoxide, Camphene, Cis-pinane, Campholenic Aldehyde, Delta-3-carane, Dihydromyrcene, Isolongiforlene, Longifolene, Mycene.
		We Commissioned in 1964 and growing fast, the plant is located at Bareilly in West Uttar Pradesh, 250 km from New Delhi, served by rail and road.
	satyamplastics.com /camphorallied (694 words)

	United States Patent: 6,451,576 (Site not responding. Last check: 2007-10-16)
		Limonene is the principal monoterpene product of both synthases, with most of the other products being made in roughly comparable proportions by each, with the notable exception of E-ocimene which is a major product of.delta.-selinene synthase (SEQ ID No:20) (22.4%) but is not detectable as a product of.gamma.-humulene synthase (SEQ ID No:24).
		Although.delta.-selinene synthase (SEQ ID No:20) and.gamma.-humulene synthase (SEQ ID No:24) are both capable of producing monoterpenes when presented with geranyl diphosphate, several lines of evidence indicate that these enzymes are, in fact, sesquiterpene synthases.
		Although the array of products generated by.delta.-selinene synthase (SEQ ID No:20) is remarkable, an even more bewildering spectrum of sesquiterpene olefins is produced by the synthase encoded by AG5 (SEQ ID No:23).
	wsurf5.respark.wsu.edu /US%20Issued%20Patents%20as%20of%207-22-2002/United%20States%20Patent%206,451,576.htm (16376 words)

	Organic Chemistry. By J. P. Clayden, N. Greeves, S. Warren, and P. D. Wothers (Site not responding. Last check: 2007-10-16)
		Both chapters are nicely illustrated with examples of pericyclic reactions in natural product synthesis.
		A chapter on the common rearrangements (Payne, Baeyer–Villiger, Beckmann, etc.), and their use in synthesis, is followed by a chapter on fragmentation, which is illustrated with total syntheses of longifolene and nootkatone.
		Chapter 39 is dedicated to free radical chemistry, although some of the material in this chapter could, perhaps, have been put into an earlier introductory chapter on free radicals.
	www.chemeducator.org /bibs/0006006/660396kh.htm (2009 words)

	Longifolene (Site not responding. Last check: 2007-10-16)
		Using the tools of modern quantum chemistry, we have examined the mechanism of the proposed allyl-to-alkenyl-to-norbornenyl polycyclization (shown above) used for forming the core of longifolene.
		Our calculations show that this process is indeed energetically viable and results in a
		2005, 70, 5139-5143: "The Cationic Cascade Route to Longifolene"
	chemgroups.ucdavis.edu /~tantillo/2ndTier/3rdTier/Longifolene.html (106 words)

	MDLinks Shop - The Logic of Chemical Synthesis - Book (Site not responding. Last check: 2007-10-16)
		Many examples are provided to illustrate these strategies.
		Molecules shown include Longifolene, Porantherine, Gibberellic acid, Picrotoxinin, and Ginkgolide B. The strategies help generate possible synthetic pathways by logical reduction of molecular complexity.
		In more plain words, the section help dissect complex molecules and reduce them into smaller precursors.
	store.mdlinks.net /info-0471115940.html (700 words)

	Fuerst Day Lawson > Market Report: 15th July 2003
		Prices have weakened slightly pending the new crop of gum turpentine.
		Other gum turpentine derivatives, which have weakened slightly, include IBA, Pine Oil, Terpineol, Terpinyl Acetate, Longifolene 90% and Iso Longifolene 80%.
		It is anticipated that weak levels will prevail over the coming 1-2 months.
	www.fdl.co.uk /main_content.asp?id_content=194&id_subitem=25&id_division=5 (1278 words)

	Longifolene - China Longifolene Manufacturer, China Longifolene Supplier
		Longifolene - China Longifolene Manufacturer, China Longifolene Supplier
		Appearance : colorless or slightly yellow oily liquid
		Your use of this website is subject to, and constitutes acknowledgement and acceptance of, our Terms & Conditions.
	www.made-in-china.com /products/show/freemember/prod/zg3MDIM/mic/Longifolene.html (118 words)

	BioPharmaLink profile of China Golddragon Rosin Group Corp., China, Beijing
		GDG is a well-established manufacture/exporter based in Beijing, we have 12 pinechemicals plants in southern China.
		We are constantly export Turpentine series products to our various customers: Terpineol PG/MU grade, Terpinyl Acetate, Pine Oil series, Terpinolene, Dipentene, Camphene, Myrcene, Dihydroterpineol, Dihydromycenol, Longifolene, Iso Longifolene, Synthetic Camphor, Natural Borneol, Borneol, Citronella Oil, Cederwood Oil etc, and also including raw material: Gum Turpentine, alpha Pinene, beta Pinene, Tung Oil etc.
		If you are interesting in above products or samples, please feel free to contact us, we are able to ensure ourselves wide materials resources and we can be your reliable and stable cooperation partners.
	biopharmalink.com /companies/3732.htm (128 words)

	Functional Characterization of Nine Norway Spruce TPS Genes and Evolution of Gymnosperm Terpene Synthases of the TPS-d ...
		was designated longifolene synthase for its major sesquiterpene
		GC-MS analysis of the multiple-product forming PaTPS-Lon, longifolene synthase.
		Total ion chromatogram of the assay showing 19 sesquiterpene products (A).
	www.plantphysiol.org /cgi/content/full/135/4/1908 (7279 words)

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