序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
61 | Method for the conversion of cellulose and related carbohydrate materials to low-molecular-weight compounds | US13593755 | 2012-08-24 | US08686192B2 | 2014-04-01 | Walter S. Trahanovsky; Ronald C. Holtan; Kyle W. Quasdorf; Norman K. Olson; Alyse A. Dilts; Joseph A. Marshall |
Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose and biomass into high yields of compounds such as ethylene glycol, propylene glycol, glycerin, methanol, hydroxyacetone, glycolaldehyde and dihydroxyacetone. | ||||||
62 | Use of a cyclopentadecenone as perfuming ingredient | US82214 | 1993-06-24 | US5354735A | 1994-10-11 | Edouard Demole; Cyril Mahaim; Pierre-Alain Blanc |
3-Methyl-cyclopentadec-5-en-1-one and its cis- and transconfiguration isomers are useful as perfuming ingredients, for the preparation of perfuming compositions and perfumed articles to which they impart musky notes characteristic of nitro-musks. | ||||||
63 | Method of generating acrolein | US338017 | 1989-04-14 | US5079266A | 1992-01-07 | Edmund J. Bockowski; Cato R. McDaniel |
This invention relates to the generation of acrolein from an acetal of acrolein via exposure to a sulfonic acid reusable catalytic material. The acrolein acetals have the following general structures; ##STR1## where R may or may not be equal to R' and R/R' is an alkyl group having from 1 to 6 carbons; and ##STR2## where R is a cyclic diol derived from ethylene glycol, propylene glycol, butylene glycol, pentylene glycol, hexylene glycol, glycerol hexoses or polysaccharides. | ||||||
64 | Stereoselective process for preparing optically active alpha, beta-disubstituted carbonyl compounds | US297387 | 1989-01-17 | US4973696A | 1990-11-27 | Claudio Giordano; Graziano Castaldi; Silvia Cavicchioli; Francesco Minisci |
A stereoselective process is described for preparing optically active alpha,beta-disubstituted carbonyl compounds, comprising forming an acetal between an alpha,beta-unsaturated aldehyde or ketone and tartaric acid or a derivative thereof, halogenating the product thus obtained, and restoring the carbonyl compound. | ||||||
65 | Acetals, and a process for the preparation thereof | US357043 | 1989-05-25 | US4967012A | 1990-10-30 | Klaus Gunther |
The invention relates to acetals of the formula CH.sub.3 --CO--CH.dbd.C(OR).sub.2 where R is --(CH.sub.2).sub.n --OR' where n is 2 or 3 and R' is C.sub.1 -C.sub.5 -alkyl.In addition, the invention relates to a process for the preparation of acetals of the formula CH.sub.3 --CO--CH.dbd.C(OR).sub.2 where R is C.sub.1 -C.sub.12 -alkyl or R is --(CH.sub.2).sub.n --OR' where n is 2 or 3 and R' is C.sub.1 -C.sub.5 -alkyl. The process comprises reacting diketene with an alcohol of the formula ROH where R has the meaning indicated, in the presence of an acidic catalyst. | ||||||
66 | Biocidal 2-aryl-1,3-cyclopentanedione enol ester compounds | US766782 | 1985-08-19 | US4632698A | 1986-12-30 | Thomas N. Wheeler |
2-Aryl-1,3-cyclopentanedione enol ester compounds exhibit outstanding acaricidal and herbicidal activity. | ||||||
67 | Biocidal 2-aryl-1, 3-cyclopentanedione enol ester compounds | US528936 | 1983-09-02 | US4551547A | 1985-11-05 | Thomas N. Wheeler |
2-Aryl-1,3-cyclopentanedione enol ester compounds exhibit outstanding acaricidal and herbicidal activity. | ||||||
68 | Novel ethers containing a lactone group and a chiral atom | US232117 | 1981-02-06 | US4374257A | 1983-02-15 | Jacques Martel; Jean Tessier; Andre Teche |
Novel ethers of organic compounds containing chiral atoms of the formula ##STR1## wherein A is a hydrocarbonated chain of 1 to 10 groups, the said chain containing one or more heteroatoms, one or more unsaturations, the assembly of the groups constituting the chain may represent a mono- or polycyclic system, including a system of the spiro or endo type, the chain A can contain one or more chiral atoms or the lactone moiety can present a chirality due to the dissymetric spatial configuration of the whole of the molecule and Z is selected from the group consisting of primary, secondary or tertiary alcohol moiety containing at least an asymetric carbon atom, a phenol moiety substituted comprising at least one asymetric carbon atom and an substituted alcohol or phenol moiety with a chirality due to the dissymetric spatial configuration of the whole of the molecule, with the proviso Z is not (R) or (S) .alpha.-cyano-3-phenoxy-benzyl when A is ##STR2## which are useful for the resolution of compounds of the formulae ##STR3## wherein A and Z have the above definitions and X is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms. | ||||||
69 | Pyranic derivatives for use in the preparation of muscone | US249117 | 1981-03-30 | US4341897A | 1982-07-27 | Karl-Heinrich Schulte-Elte; Arnold Hauser; Gunther Ohloff |
New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material. | ||||||
70 | Process for producing cyclopentenolones | US089351 | 1979-10-30 | US4282372A | 1981-08-04 | Takashi Matsuo; Kazunori Tsushima |
A novel process for producing cyclopentenolones, useful intermediates for producing agricultural chemicals and prostaglandins of the formula (I), ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl group, and R.sub.2 is a hydrogen atom, a lower alkyl, lower alkenyl or lower alkynyl group or a group of the formula, ##STR2## in which R.sub.4 is a hydrogen atom, a methyl group or a halogen atom), --CH.sub.2 --CH.dbd.CH--(CH.sub.2).sub.3 --CO.sub.2 R.sub.5, or --(CH.sub.2).sub.5 --CO.sub.2 R.sub.5 (in which R.sub.5 is a hydrogen atom or a lower alkyl group), but R.sub.1 and R.sub.2 are not a hydrogen atom at the same time, characterized in that said cyclopentenolones are derived from a starting material of the formula (III), ##STR3## through intermediates of the formulae (IV), (V) and (II), ##STR4## Many of the intermediates are novel compounds. | ||||||
71 | Process for the preparation of muscone | US96054 | 1979-11-20 | US4277625A | 1981-07-07 | Karl-Heinrich Schulte-Elte; Arnold Hauser; Gunther Ohloff |
New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material. | ||||||
72 | Process for preparing cyclopentenone derivatives | US496755 | 1974-08-12 | US3953514A | 1976-04-27 | Toshiharu Yamazaki; Mamoru Nakai; Yoshiaki Kuroki |
A novel and industrial process for preparing cyclopentenone derivatives by heating C.sub.5 .about.C.sub.13 aliphatic acids having one substituent or intramolecular esters thereof in the presence of a solid acid catalyst in a good yield. | ||||||
73 | Production of carbonylic compounds | US73499234 | 1934-07-13 | US2106347A | 1938-01-25 | GROLL HERBERT P A; GEORGE HEARNE |
74 | PROCESS FOR THE PRODUCTION OF 2-METHYL-4-(2,6,6-TRIMETHYL-1-CYCLOHEXEN-1-YL)-2-BUTENAL | PCT/EP2019/058787 | 2019-04-08 | WO2019197326A1 | 2019-10-17 | SCHUETZ, Jan |
The present invention relates to an improved way to produce 2-methyl-4-(2,6,6- trimethyl-1-cyclohexen-1-yl)-2-butenal and derivatives thereof. |
||||||
75 | CONVERSION OF LIGNOCELLULOSE TO CHEMICALS IN A MULTIPHASE REACTOR | PCT/AU2019/050120 | 2019-02-15 | WO2019157561A1 | 2019-08-22 | PARIHAR, Anurag; BHATTACHARYA, Sankar; GARNIER, Gil |
Disclosed herein are methods and apparatuses for producing levoglucosenone and a substituted furan from lignocellulosic biomass. In one form, the method includes: converting lignocellulosic biomass, in contact with an acid within a multiphase reactor, to a gaseous product including levoglucosenone and a substituted furan in a reaction zone of the multiphase reactor; wherein the acid is in sufficient concentration to catalyse the conversion of a portion of the lignocellulosic biomass to levoglucosenone and to react with another portion of the lignocellulosic biomass to form a substituted furan; and withdrawing a gaseous product from the multiphase reactor, the gaseous product including the levoglucosenone and the substituted furan. |
||||||
76 | PROCESS FOR PREPARING 3-METHYLCYCLOPENTADECANE-1,5-DIOL | PCT/EP2016/072215 | 2016-09-20 | WO2017050713A1 | 2017-03-30 | BRU ROIG, Miriam; RUEDENAUER, Stefan |
The present invention relates to a process for preparing 3-methylcyclopentadecane-1,5-diol (I) by hydrogenolysis of 14-methyl-16,17,18-trioxatricyclo[10.3.2.1]octadecane (II). The invention further relates to a process for preparing 3-methylcyclopentadecane-1,5-diol is a macrocyclic diol that can serve as precursor for a macrocyclic odorant, such as muscone and muscenone. |
||||||
77 | 環状ジケトン化合物の製造方法 | PCT/JP2015/085772 | 2015-12-22 | WO2016104474A1 | 2016-06-30 | 谷野謙次; 迫田大地; 坂本嵩 |
過酸化水素を用いて二環式4置換オレフィン化合物である式(II)の化合物を酸化開裂して、一般式(I)で表される化合物を製造する方法を提供する。 一般式(II)で表される化合物を、酸触媒の存在下、又はタングステン酸化合物の存在下、過酸化水素を用いて酸化開裂させて一般式(I)で表される化合物を得る工程を含む、一般式(I)で表される化合物の製造方法。 [前記式中、 式-A1-(ただし、先の結合手は炭素原子C1と結合する結合手を意味し、後の結合手は炭素原子C2と結合する結合手を意味する)は、置換されていてもよく、エーテル結合、エステル結合、2級アミノ基、チオエーテル基またはこれらを更に含んでもよい、炭素数2以上6以下のアルキレン基であり、 式-A2-(ただし、先の結合手は炭素原子C1と結合する結合手を意味し、後の結合手は炭素原子C2と結合する結合手を意味する)は、置換されていてもよく、エーテル結合、エステル結合、2級アミノ基、チオエーテル基またはこれらを更に含んでもよい、炭素数4以上10以下のアルキレン基である。] |
||||||
78 | NOVEL CYCLIC OXYGENATED COMPOUNDS HAVING COOLING, FRAGRANCE, AND FLAVOR PROPERTIES, AND USES THEREOF | PCT/US2004038373 | 2004-11-17 | WO2005049562A3 | 2005-10-06 | SELIFONOV SERGEY A |
Compositions that include compounds capable of producing a cooling sensory effect such as certain hydroxy-ketones and hydroxy-aldehyde compounds, their cyclic semi-ketals and semiacetals, and other derivatives thereof. The compounds impart a refreshing and cooling sensation of long duration and high potency, and thus are useful in a variety of formulations, including consumer products such as mouth formulations, food and beverage products, tobacco and smoking articles, fragrances, toiletries, oinments, and the like. | ||||||
79 | シクロドデカノンの製造方法 | PCT/JP2002/008198 | 2002-08-09 | WO2003016251A1 | 2003-02-27 | 杉瀬 良二; 田中 秀二; 土井 隆志; 西尾 正幸; 新居田 貞夫; 松浦 綱男 |
A process for the preparation of cyclododecanone by subjecting an epoxycyclododecane−containing raw material to isomerization in the presence of an isomerization catalyst containing lithium bromide and/or lithium iodide, wherein a product which is obtained by bringing epoxycyclododecadiene into contact with hydrogen in the presence of a hydrogenation catalyst and has a content of hydroxyl−bearing cyclododecane compounds of 5 mole % or below is used as the epoxycyclododecane−containing raw material in order to conduct the isomerization efficiently (at a high reaction rate) with high selectivity and thereby prepare high−purity cyclododecanone industrially stably with the reaction rate kept at a high level. | ||||||
80 | METHOD FOR PRODUCING IONIZABLE LIPIDS OR INTERMEDIATES FOR THE SYNTHESIS OF SUCH LIPIDS | EP23749311.9 | 2023-01-31 | EP4472941A1 | 2024-12-11 | ATMURI, N. D. Prasad; ARNOLD, Deaglan; SAADATI, Fariba; KUREK, Daniel; KULKARNI, Jayesh; WITZIGMANN, Dominik; CIUFOLINI, Marco A. |
The present disclosure provides a method for producing one or more intermediates for the synthesis of one or more ionizable lipids, the method comprising: (i) producing a beta-ketoacid by reacting a cyclic ester, a terminal hydroxy ester or a derivative thereof, a dicarboxylic acid half ester, or an acid chloride derivative of the dicarboxylic acid half ester, in a condensation reaction, thereby producing the beta-ketoacid or a beta-ketoester that is hydrolyzed to produce the beta-ketoacid and (ii) decarboxylating the beta-ketoacid, thereby producing the one or more intermediates, wherein the one or more intermediates have a structure that may be defined by Formula A. Further provided is a method for producing an ionizable lipid from the intermediate comprising adding an ionizable head group moiety to (a) a ketone group of one or more intermediates having the structure that may be defined by Formula A; or (b) a corresponding alcohol of the intermediate. |