摘要:
The present invention is directed to novel methods for production of 5-epi-β-vetivone, 2-isopropyl-6,10-dimethyl-spiro[4.5]deca-2,6-dien-8-one and 2-isopropyl-6,10-dimethylspiro[4.5]deca-1,6-dien-8-one, which are useful for their fragrant qualities. Provided are methods for production of premnaspirodiene from a terpene substrate, methods for production of 5-epi-β-vetivone from premnaspirodiene as starting material, and methods for production of 2-isopropyl-6,10-dimethyl-spiro[4.5]deca-2,6-dien-8-one and 2-isopropyl-6,10-dimethyl-spiro[4.5]deca-1,6-dien-8-one from premnaspirodiene as starting material.
摘要:
The invention provides methods and compositions for treating and preventing a skin rash secondary to anti-epidermal growth factor receptor (EGFR) therapy, where the method comprises applying a vitamin K analog or a phosphatase inhibitor to the skin.
摘要:
Flavor compositions and tobacco products containing 3,5,5,6,8,8-hexamethyl-1,2,3,4,5,6,7,8-octahydro-2-naphthalenone and methods for making same are disclosed.
摘要:
Described are alkyl-substituted spirodecenone derivatives defined according to the structure: ##STR1## wherein one of R.sub.1 or R.sub.2 is hydrogen and the other of R.sub.1 or R.sub.2 is methyl; and wherein R.sub.3 represents C.sub.3 -C.sub.4 alkyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including, but not limited to, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles and hair preparations; as well as processes for preparing said alkyl-substituted spirodecenone derivatives.
摘要:
Described are compounds having the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond; wherein X represents the moieties: ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that (i) at least three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen and (ii) when the dashed line is a carbon-carbon single bond and X is: ##STR3## then one of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 is methyl and the other represents hydrogen; wherein R.sub.5 represents hydrogen, MgX, MgR.sub.7, CdR.sub.7, ZnR.sub.7, Na, K or Li; wherein X represents Chloro, Bromo or Iodo; wherein R.sub.6 represents hydrogren or methyl; and wherein R.sub.7 represents lower alkyl; and uses thereof for their organoleptic properties in augmenting or enhancing or enhancing the aromas or tastes of perfumes, perfumed articles, foodstuffs, chewing gums, smoking tobaccos, toothpastes, medicinal products, chewing tobacco and smoking tobacco articles, as well as processes for preparing same.
摘要:
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, benzyl, benzoyl, alkanoyl of 1 to 5 carbon atoms or --CO--(CH.sub.2).sub.p --NR'R" wherein p is 0 or an integer from 1 to 4; each of R' and R" when taken individually is hydrogen or alkyl of 1 to 4 carbon atoms; R' and R" when taken together with the nitrogen to which they are attached form a 5- or 6-membered heterocyclic ring selected from piperidino, pyrollo, pyrrolidino, morpholino and N-alkylpiperazino having from 1 to 4 carbon atoms in the alkyl group;R.sub.2 is selected from hydrogen, alkanoyl of 1 to 6 carbon atoms and benzoyl;R.sub.3 is selected from hydrogen, methyl and ethyl;R.sub.4 is selected from hydrogen, alkyl of 1 to 6 carbon atoms and benzyl;Z is selected from:(a) alkylene having from one to nine carbon atoms;(b) -(alk.sub.1).sub.m -X-(alk.sub.2).sub.n - wherein each of (alk.sub.1) and (alk.sub.2) is alkylene having from 1 to 9 carbon atoms, with the proviso that the summation of carbon atoms in (alk.sub.1) plus (alk.sub.2) is not greater than 9;m and n are each 0 or 1;X is selected from O, S, SO and SO.sub.2 ; andW is selected from hydrogen, methyl, pyridyl, piperidyl, phenyl, monochlorophenyl, monofluorophenyl and ##STR2## wherein W.sub.1 is selected from hydrogen, phenyl, monochlorophenyl and monofluorophenyl; a is an integer from 1 to 5 and b is 0 or an integer from 1 to 4, with the proviso that the sum of a and b is not greater than 5.Compounds I and II are useful as analgesics. Compound III is useful as an intermediate for the preparation of Compounds I and II. Intermediates for the preparation of I, II and III are disclosed. A process for the use of compounds I and II to produce analgesia is also described.
摘要:
A compound of the general formula: ##STR1## wherein R.sup.1 is a lower alkyl group; R.sup.2 is H or a lower alkyl group; Y is an oxo group, H or an unprotected or protected hydroxyl group; X is a methylene or ethylene group, for example, 7,7a-dihydro-7aS-methyl-4-(3-butenyl)-1-tert. butoxy-5(6H)-indanone, which is an intermediate for steroids, is prepared by dehydrative cyclization of a compound of the general formula of ##STR2## wherein R.sup.1, R.sup.2, X and Y are the same as above.