CAS: 705-86-2; 6-Pentyltetrahydro-2H-Pyran-2-One

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(Z,Z)-9,12-十八烷二烯酸二聚物置于linoleate C-12 Double Bond Hydratases Of Lacto Bacillus Acidophilus Nbrc 13951,水体系中,用 Aq. Phosphate Buffer,乙醇 作为反应溶剂,化学反应 6.0H,反应生成 δ-癸内酯
参考文献:亚油酸双键水合酶为关键酶,将亚油酸生物转化为羟基脂肪酸和羧酸
标题:亚油酸双键水合酶为关键酶,将亚油酸生物转化为羟基脂肪酸和羧酸
摘要:Abstracthydroxy Fatty Acids Are Used As Starting Materials For The Production Of Secondary Metabolites And Signalling Molecules As Well As In The Manufacture Of Industrial Fine Chemicals. However,These Compounds Are Usually Difficult To Produce From Renewable Biomass By Chemical Means. In This Study,Linoleate Double Bond Hydratases Of Lactobacillus Acidophilus Nbrc 13951 Were Cloned For The First Time. These Enzymes Were Highly Specific For The Hydration Of The C‐9 Or The C‐12 Double Bond Of Unsaturated Fatty Acids (E.G.,Linoleic Acid). Thereby,The Enzymes Allowed The Selective Production Of Hydroxy Fatty Acids Such As 13‐hydroxy‐cis‐9‐octadecenoic Acid And 10‐hydroxy‐cis‐12‐octadecenoic Acid From Linoleic Acid. In Addition,The Hydroxy Fatty Acids Were Further Converted Into Industrially Relevant Carboxylic Acids (E.G.,12‐hydroxy‐cis‐9‐dodecenoic Acid,α,ω‐tridec‐9‐enedioic Acid) And Lactones (I.E.,δ‐decalactone,γ‐dodecelactone) Via Whole‐cell Biocatalysis Using An Enzyme Cascade. This Study Thus Contributes To The Preparation Of Hydroxy Fatty Acids,Unsaturated Carboxylic Acids,And Lactones From Renewable Unsaturated Fatty Acids.Magnified Image
DOI:10.1002/adsc.201400893

专利信息

专利号:US-10801033-B2
优先权日:2016-04-05
标题 :Recombinant polynucleotide involved in lactone synthesis and process for synthesis of lactones thereof
发明人：GUPTA VIDYA SHRIKANT; DESHPANDE ASHISH BALWANT; OAK PRANJALI SUDHIR; GIRI ASHOK PRABHAKAR
权利人:COUNCIL SCIENT IND RES
摘要:The present invention provides the polynucleotide encoding enzyme involved in lactone synthesis and a process for synthesis of lactones using said polynucleotides. The invention also provides recombinant plasmid expression vector comprising said polynucleotide sequence. The recombinant protein encoded by said polynucleotides leads to synthesis of lactones having flavour peculiar to Alphonso mangoes.

专利号:US-3758509-A
优先权日:1969-05-13
标 题 :Aryl ketals of polycyclic oxo compounds and processes
发明人：ROSENBERGER M; SAUCY G
权利人:HOFFMANN LA ROCHE
摘要:THE INTERMEDIATES AND PROCESSES OF THIS DISCLOSURE PROVIDE A NEW STEREO-SPECIFIC TOTAL SYNTHESIS OF STEROIDAL MATERIALS HAVING KNOWN VALUABLE PHARMACOLOGICAL PROPERTIES. A FUNDAMENTAL FEATURE OF THIS DISCLOSURE IS THE UTILIZATION OF ARYL KETALS, PREFERABLY PHENYLENEDIOXY KETALS DERIVED FROM CATECHOL AS PROTECTIVE GROUPS FOR OXO MOIETIES IN THE POLYCYCLIC INTERMEDIATES USED IN THE AFORESAID TOTAL SYNTHESIS.

专利号:US-3907827-A
优先权日:1970-09-22
标 题:Aryl ketals of polycyclic oxo compounds and processes
发明人：ROSENBERGER MICHAEL; SAUCY GABRIEL
权利人:HOFFMANN LA ROCHE
摘要:The intermediates and processes of this disclosure provide a new stereo-specific total synthesis of steroidal materials having known valuable pharmacological properties. A fundamental feature of this disclosure is the utilization of aryl ketals, preferably phenylenedioxy ketals derived from catechol as protective groups for oxo moieties in the polycyclic intermediates used in the aforesaid total synthesis.

专利号:EP-2735607-A1
优先权日:2012-11-27
标 题 :Strain of Trichoderma harzianum and controlled release composition which contains said strain
发明人：OANCEA FLORIN; MARA GYÖNGYVÉR; SESAN TATIANA EUGENIA; Máthé István; RAUT JULIANA; Ã?BRAHÃ?M BEÃ?TA; LÃ?NYI SZABOLCS
权利人:SC CORX BIONEER CEU SA
摘要:The invention relates to a strain of Trichoderma harzianum Td50b, deposited with the deposit number NCAIM (P) F 001412, which produces the exohydrolases involved in the degradation of plant material and presents antagonism against pathogens of ornamental crops, including through synthesis of odorant volatile compounds with antifungal activity. The strain was used to produce a controlled release compositions that promote the colonization of the material intended to be composted, assuring the survival of propagules not-liberated after the initial colonization of the substrate with the strain producing fungistatic volatiles compounds, including for the dormant propagules of the same strain, and, on the end, accelerate the obtainment process of composts intended to be used for mulching of the ornamental crop soil, in order to protect them against the attack of pathogen agents.

专利号:US-4451392-A
优先权日:1982-09-30
标题:Synthesis of triconjugated dienones and novel intermediates used in said process
发明人：EVERS WILLIAM J; STORK GILBERT; MOOKHERJEE BARJA D; HEINSOHN JR HOWARD H
权利人:INT FLAVORS & FRAGRANCES INC
摘要:Described is a process for preparing triconjugated dienones defined according to the structure: wherein R1 represents C1-C8 alkyl, phenyl or phenyl methyl and wherein R2 represents hydrogen or C1-C5 lower alkyl; and wherein the wavy lines are indicative of a 'cis' or a 'trans' juxtaposition of the R2, methyl, acyl or vinyl moieties about one or both of the carbon-carbon double bonds which process involves the reaction of an acyl halide having the structure: (wherein X represents chloro) with a substituted or unsubstituted prenyl ester having the structure: wherein R3 represents C1-C5 alkyl in the presence of an aluminum chloride catalyst and a methylene dichloride solvent in order to form the novel intermediate genus defined according to the structure: then dehydrohalogenating the compound defined according to the structure: using an alkali metal carbonate and a dimethylformamide solvent in order to form the novel compound genus having the structure: 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 compound having the structure: in order to form the compound having the structure: the dehydroacyloxylation step taking place in the presence of an alkali metal carbonate and dimethylformamide solvent.

专利号:US-4560791-A
优先权日:1982-09-30
标题:Synthesis of triconjugated dienones and intermediates used in said process
发明人：EVERS WILLIAM J; STORK GILBERT; MOOKHERJEE BRAJA D; HEINSOHN JR HOWARD H
权利人:INT FLAVORS & FRAGRANCES INC
摘要:Described is a process for preparing triconjugated dienones defined according to the structure: wherein R1 represents C1-C8 alkyl, phenyl or phenyl methyl and wherein R2 represents hydrogen or C1-C5 lower alkyl; and wherein the wavy lines are indicative of a 'cis' or a 'trans' juxtaposition of the R2, methyl, acyl or vinyl moieties about one or both of the carbon-carbon double bonds which process involves the reaction of an acyl halide having the structure: (wherein X represents chloro) with a substituted or unsubstituted prenyl ester having the structure: wherein R3 represents C1-C5 alkyl in the presence of an aluminum chloride catalyst and a methylene dichloride solvent in order to form the novel intermediate genus defined according to the structure: then dehydrohalogenating the compound defined according to the structure: using an alkali metal carbonate and a dimethylformamide solvent in order to form the novel compound genus having the structure: 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 compound having the structure: in order to form the compound having the structure: the dehydroacyloxylation step taking place in the presence of an akali metal carbonate and dimethylformamide solvent.