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    • 91. 发明授权
    • Synthesis of triconjugated dienones and novel intermediates used in said
process
    • 三氯联二烯酮的合成和所述方法中使用的新型中间体
    • US4623749A
    • 1986-11-18
    • US620163
    • 1984-08-17
    • William J. EversGilbert StorkBraja D. MookherjeeHoward H. Heinsohn, Jr.
    • William J. EversGilbert StorkBraja D. MookherjeeHoward H. Heinsohn, Jr.
    • C07C45/67C07C49/203C07C69/145C07C69/157C11B9/00C11D3/50
    • C11D3/50C07C45/673C07C45/676C07C49/203C07C67/293C11B9/0015C11B9/0061
    • Described is a process for preparing triconjugated dienones defined according to the structure: ##STR1## wherein R.sub.1 represents C.sub.1 -C.sub.8 alkyl, phenyl or phenyl methyl and wherein R.sub.2 represents hydrogen or C.sub.1 -C.sub.5 lower alkyl; and wherein the wavy lines are indicative of a "cis" or a "trans" juxtaposition of the R.sub.2, methyl, acyl or vinyl moieties about one or both of the carbon-carbon double bonds which process involves the reaction of an acyl halide with a substituted or unsubstituted prenyl ester having the structure: ##STR2## wherein R.sub.3 represents C.sub.1 -C.sub.5 alkyl in the presence of an aluminum chloride catalyst and a methylene dichloride solvent in order to form a halogen-ester intermediate defined according to the structure: ##STR3## then dehydrohalogenating said halogen-ester intermediate using an alkali metal carbonate and a dimethylformamide solvent in order to form a ketoester having the structure: ##STR4## wherein one of the dashed lines represents a carbon-carbon double bond and the other of the dashed lines represents a carbon-carbon single bond; and then dehydroacyloxylating the ketoester in the presence of an alkali metal carbonate and dimethylformamide solvent in order to form the triconjugated dienone.
    • 描述了根据以下结构定义的三结合双酮的方法:其中R 1表示C 1 -C 8烷基,苯基或苯基甲基,并且其中R 2表示氢或C 1 -C 5低级烷基; 并且其中波浪线表示R2,甲基,酰基或乙烯基部分在一个或两个碳 - 碳双键上的“顺式”或“反式”并置,该方法涉及酰卤与 具有以下结构的取代或未取代的异戊二烯基酯:其中R 3在氯化铝催化剂和二氯甲烷溶剂的存在下代表C 1 -C 5烷基,以形成根据以下结构定义的卤素 - 酯中间体: 然后使用碱金属碳酸盐和二甲基甲酰胺溶剂将所述卤代酯中间体脱卤化氢,以形成具有以下结构的酮酯:其中虚线中的一条代表碳 - 碳双键,另一条虚线表示 碳 - 碳单键; 然后在碱金属碳酸盐和二甲基甲酰胺溶剂的存在下,使酮酯脱羟基酰化,以形成三羟甲基封端的二烯酮。
    • 99. 发明授权
    • Substituted methyl isopropyl oxocyclohexane derivatives, organoleptic
uses thereof and process for preparing same
    • 取代甲基异丙基氧代环己烷衍生物,其感官用途及其制备方法
    • US4451403A
    • 1984-05-29
    • US343571
    • 1982-04-26
    • Philip T. Klemarczyk
    • Philip T. Klemarczyk
    • C07C35/18C07C45/62C07C45/72C07C49/203C07C49/647C11B9/00C07C50/02C07C69/025
    • C11B9/0034C07C35/18C07C45/62C07C45/72C07C49/203C07C49/647
    • Described is the genus of compounds defined according to the structure: ##STR1## wherein at least one of the lines:[++++]represents a carbon-carbon single bond and the other of the lines:[++++]represents a carbon-carbon double bond or a carbon-carbon single bond; wherein the moiety X represents one of the moieties: ##STR2## wherein when the moiety X has the structure: ##STR3## then one of the lines:[++++]is a carbon-carbon double bond and the other of the lines:[++++]is a carbon-carbon single bond and when the moiety X has the structure: ##STR4## then both of the lines:[++++]represent carbon-carbon single bonds; wherein, one of R.sub.1, R.sub.2 and R.sub.3 represent 2-methyl-1-propenyl or 2-methyl-1-propylidenyl; and the other of R.sub.1, R.sub.2 and R.sub.3 represent hydrogen; with the provisos that:(i) when the line:[++++] at the 3-4 position is a double bond, then R.sub.3 is hydrogen or 2-methyl-1-propenyl; and(ii) when the line:[++++] at the 2-3 position is a double bond, then R.sub.2 is hydrogen or 2-methyl-1-propenyl.with the members of said genus being novel compounds useful in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic powder compositions, fabric softener compositions and fabric softener articles).
    • 描述根据以下结构定义的化合物属:其中至少一行:[++++]表示碳 - 碳单键,另一行:[++++]表示 碳 - 碳双键或碳 - 碳单键; 其中部分X表示以下部分之一:其中当部分X具有以下结构时:其中一行:[++++]是碳 - 碳双键,另一条线 :[++++]是碳 - 碳单键,当X部分具有以下结构时:,则两行:[++++]表示碳 - 碳单键; 其中,R 1,R 2和R 3中的一个表示2-甲基-1-丙烯基或2-甲基-1-亚丙基; R1,R2和R3中的另一个表示氢; 条件是:(i)当3-4位上的线:[++++]是双键时,则R3是氢或2-甲基-1-丙烯基; 和(ii)当2-3位上的线:[++++]是双键时,则R2是氢或2-甲基-1-丙烯基。 所述属的成员是用于增强或增强消耗材料(包括香料组合物,古龙水和香料制品)(例如固体或液体阴离子,阳离子,非离子或两性离子洗涤剂,化妆品粉末组合物,织物柔软剂)的香味或味道的新化合物 组合物和织物柔软剂制品)。