摘要:
The invention relates to a method for producing functionalised monomers, the method comprising: a) providing a starting material selected from terpenes and terpenoids; b) forming a derivative of the starting material by incorporation of a hydroxyl group; c) esterifying the hydroxyl group of the derivative to introduce a moiety containing a vinyl group, so as to produce a functionalised monomer. The functionalised monomer can be polymerised to obtain a bio-derived polymer.
摘要:
1-(3/4-isobutyl-1/6-methylcyclohex-3-enyl)methanols and derivatives thereof having appreciable floral and hesperidic odor notes, their use as fragrance ingredient and perfumed products comprising them.
摘要:
Sandalwood perfuming ingredients that are 2-[perhydro-trialkyl-2-naphthalenylidene]-1-propanol or propanal derivatives of the formula wherein one dotted line represents a carbon-carbon single bond and the other a carbon-carbon single bond or double bond; X represents a CH2OH group or a CHO group; each R1 represents a hydrogen atom or a methyl group; and the R2, taken separately, represent each a hydrogen atom or the two R2 groups, taken together, represent a CH2 group or a carbon-carbon double bond; and said compound is in the form of any one of its stereoisomers or a mixture thereof, along with the use of such compound(s) in perfuming compositions or articles in the perfumery industry.
摘要:
Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as well as intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.
摘要:
An adamantanemethanol derivative of the invention is represented by the following formula (1), wherein Ra is a hydrogen atom or a hydrocarbon group; Rb is a hydrocarbon group having a carbon atom, to which carbon atom at least one hydrogen atom is bonded, at a bonding site with the adjacent carbon atom; Rc, Rd and Re are each a hydrogen atom, a hydroxyl group which may be protected by a protective group or the like; provided that a hydroxyl group protected by a protective group or the like is bonded to at least one carbon atom constituting the adamantane skeleton when Ra is a hydrogen atom or a methyl group and Rb is a methyl group; and at least one substituent, in addition to the HOnullC(Ra) (Rb)null group indicated in the formula (1), is bonded to the adamantane ring when one of Ra and Rb is a methyl group and the other is an ethyl group. 1
摘要:
The invention relates to novel odorants derived from formylpinane. In particular, these are compounds of the formula ##STR1## in which R represents H or C--C alkyl, for example methyl, ethyl, propyl, butyl etc., preferably methyl or ethyl, preferably methyl or ethyl, n represents 0 or 1 and the notation represents a single or double bond I.
摘要:
Described for use in augmenting or enhancing the organoleptic properties of foodstuffs, chewing gums, toothpastes, medicinal products, tobaccos, perfumes and perfumed articles are one or more hydroxy alkenyl norbornane derivatives having one of the structures: ##STR1##
摘要:
Compounds are provided having the structure ##STR1## wherein n is 1, 2 or 3, m is 0, 1 or 2, R.sub.1 R.sub.2, R.sub.3, R.sub.4 and R.sub.5 may be the same or different and can be hydrogen, lower alkyl, halo-lower alkyl, acyl, lower alkoxy-carbonyl ##STR2## amido ##STR3## or lower alkoxylakylene, X is a straight or branched bivalent aliphatic radical and Y is ##STR4## These compounds are useful in the treatment of hypertension.
摘要:
METAL TRIORGANOBORANE ALCOHOLATE COMPOUNDS ARE FORMED BY REACTING TRIORGANOBORANNE COMPOUNDS WITH CARBON MONOXIDE AND A COMPLEX METAL HYDRIDE AT MODERATE CONDITIONS OF TEMPERATURE AND PRESSURE. THE ALCOHOLATE COMPOUNDS CAN SUBSEQUENTLY BE CONVERTED TO ALCOHOLS AND ALDEHYDES. ALCOHOLS ARE FORMED BY HYDROLYZING THE ALCOHOLATE COMPOUND IN A BASIC MEDIUM. ALDEHYDES ARE SECURED BY OXIDIZING THE ALCOHOLATE COMPOUND.