公开(公告)号：CA2057001A1

公开(公告)日：1990-11-19

申请号：CA2057001

申请日：1990-05-11

Applicant: HOECHST AG

Inventor： LEUPOLD ERNST I ,  WIESNER MATTHIAS ,  SCHLINGMANN MERTEN

IPC: B01J23/40 ,  C07B61/00 ,  C07H5/02 ,  C07H7/033 ,  C07H13/04 ,  C07H13/06

Abstract: HOE 89/F 149 of the disclosure: Process for the preparation of 1-fluoro-glycuronic acids and salts thereof, and such novel 1-fluoro-glycuronic acids and salts thereof Process for the preparation of 1-fluoro-glycuronic acids, which can contain protected amino groups, and salts thereof, characterized in that glycopyranosyl fluorides of mono- or oligosaccharides which carry at least one primary OH function are oxidized with oxygen as the oxidizing agent in an aqueous solution in the pH range from 6 to 9 in the presence of a catalyst which contains at least one platinum metal, and the 1-fluoro-glycuronic acids formed are at least partly neutralized. The invention furthermore relates to compounds of the general formula (I) in which M represents hydrogen or a cation, in particular an alkali metal, and X denotes oxygen or NH, independently of one another, wherein, if X = oxygen, R denotes hydrogen or a glycosidically bonded monosaccharide and if X = NH, R represents an acyl, alkyl, aryl or aralkyl protective group radical having up to 10 carbon atoms, but wherein only one of the groups RX has a meaning other than OH.

公开(公告)号：CA1272481A

公开(公告)日：1990-08-07

申请号：CA519880

申请日：1986-10-06

Applicant: HOECHST AG

Inventor： FRITSCHE-LANG WOLFRAM ,  LEUPOLD ERNST I ,  SCHLINGMANN MERTEN

IPC: A23L27/00 ,  A23L27/20 ,  A23L29/00 ,  C07B61/00 ,  C07H7/033 ,  C11D3/20 ,  C11D3/22 ,  C07H3/04

Abstract: of the disclosure: Sucrosetricarboxylic acid can be prepared by oxidizing sucrose with oxygen, if desired in a mixture with inert gases, by means of a more effective catalyst than platinum/ alumina. The product can be used in washing agents or as a food additive.

公开(公告)号：CA1249840A

公开(公告)日：1989-02-07

申请号：CA471852

申请日：1985-01-10

Applicant: HOECHST AG

Inventor： DRISCOLL ROBERT K ,  LEUPOLD ERNST I ,  EBERTZ WOLFGANG ,  WUNDER FRIEDRICH

IPC: C07C69/67 ,  B01J19/32 ,  C07C69/716

Abstract: of the disclosure The invention relates to a process for the preparation of a glyoxylic acid ester by oxydehydrogenation of the corresponding glycolic acid ester in the gas phase over a supported catalyst in a tubular reactor. The catalyst support consists of at least one cylindrical monolith which essentially has the same diameter as the reactor tube and contains channels with a diameter of 1 to 10 mm leading from the inlet to the outlet of the reactor tube. 60 to 90% of the monolith volume is formed by hollow spaces.

公开(公告)号：CA1213292A

公开(公告)日：1986-10-28

申请号：CA338193

申请日：1979-10-23

Applicant: HOECHST AG

Inventor： LEUPOLD ERNST I ,  SCHMIDT HANS-JOACHIM ,  WUNDER FRIEDRICH ,  ARPE HANS-JUERGEN ,  HACHENBERG HORST

IPC: C07C29/15 ,  C07C31/08

Abstract: PROCESS FOR THE MANUFACTURE OF ETHANOL FROM SYNTHESIS GAS of the disclosure: Ethanol is manufactured by reaction of carbon monoxide with hydrogen on a supported rhodium catalyst containing as cocatalyst at least one of the elements zirconium, hafnium, lanthanum, platinum, chromium and mercury.

公开(公告)号：CA1182098A

公开(公告)日：1985-02-05

申请号：CA410405

申请日：1982-08-30

Applicant: HOECHST AG

Inventor： BALTES HERBERT ,  LEUPOLD ERNST I ,  LITTERER HEINZ ,  WUNDER FRIEDRICH

IPC: B01J29/00 ,  B01J29/50 ,  B01J29/86 ,  C01B35/12 ,  C01B39/10 ,  C01B39/30 ,  C07C1/00 ,  C07C1/20 ,  C07C67/00 ,  B01J29/28 ,  C01B33/20 ,  C07C11/02

Abstract: of the disclosure: The invention provides boro-aluminosilicates having a zeolite structure, a process for their manufacture, and their use. For their manufacture, a mixture of silicon, aluminum, boron, sodium, potassium and tetramethylammonium compounds and water is prepared in a specific quantitative ratio, and heated in a closed vessel. The boro-aluminosilicates are used as catalysts in the manufacture of hydrocarbons, especially C2-C4-olefins, from methanol.

公开(公告)号：CA1182096A

公开(公告)日：1985-02-05

申请号：CA411439

申请日：1982-09-15

Applicant: HOECHST AG

Inventor： BALTES HERBERT ,  LEUPOLD ERNST I ,  LITTERER HEINZ ,  WUNDER FRIEDRICH

IPC: B01J29/00 ,  B01J29/04 ,  C01B39/04 ,  C01B39/06 ,  C01G15/00 ,  C07C1/00 ,  C07C1/20 ,  C07C11/02 ,  C07C67/00 ,  B01J29/28

Abstract: of the disclosure: The invention provides gallium- and/or indium-containing zeolites, a process for their manufacture, and their use. For their manufacture, a mixture of silicon, aluminum, sodium, potassium and tetramethylammonium compounds, water and gallium and/or indium compounds is prepared in a specific quantitative ratio, and heated in a closed vessel. The zeolites may be used as catalysts in the manufacture of hydrocarbons, especially C2-C4-olefins, from methanol.

公开(公告)号：DD152123A5

公开(公告)日：1981-11-18

申请号：DD22270280

申请日：1980-07-17

Applicant: HOECHST AG

Inventor： WUNDER FRIEDRICH ,  LEUPOLD ERNST I ,  HACHENBERG HORST ,  SCHMIDT HANS-JOACHIM

IPC: B01J29/00 ,  B01J29/076 ,  C07B61/00 ,  C07C1/00 ,  C07C1/20 ,  C07C1/24 ,  C07C11/02 ,  C07C67/00

Abstract: Olefins having from 2 to 4 carbon atoms are manufactured from methanol and/or dimethyl ether in the presence of water and a manganese-containing aluminum silicate catalyst. Before or after application of the manganese, the aluminum silicate is washed with a solution of ethylene-diaminetetraacetic acid or tartaric acid adjusted to a pH of from 3 to 7 by means of a base.

公开(公告)号：CA1110655A

公开(公告)日：1981-10-13

申请号：CA290747

申请日：1977-11-14

Applicant: HOECHST AG

Inventor： LEUPOLD ERNST I ,  ARPE HANS-JUERGEN

IPC: C07C59/06 ,  B01J27/00 ,  B01J31/00 ,  C07B61/00 ,  C07C51/00 ,  C07C51/367 ,  C07C67/00

Abstract: PROCESS FOR THE MANUFACTURE OF GLYCOLIC ACID of the disclosure: Glycolic acid is prepared by reacting paraformaldehyde or trioxane or a mixture thereof with formic acid in the liquid phase at a temperature of from 70 to 200.degree.C in the presence of a strongly acidic catalyst.

公开(公告)号：DD146703A5

公开(公告)日：1981-02-25

申请号：DD21637979

申请日：1979-10-22

Applicant: HOECHST AG

Inventor： LEUPOLD ERNST I ,  SCHMIDT HANS-JOACHIM ,  WUNDER FRIEDRICH ,  ARPE HANS-JUERGEN ,  HACHENBERG HORST

IPC: C07C27/06 ,  B01J23/00 ,  B01J23/46 ,  B01J23/54 ,  B01J23/56 ,  B01J23/64 ,  C07B61/00 ,  C07C27/00 ,  C07C29/15 ,  C07C29/153 ,  C07C29/157 ,  C07C29/158 ,  C07C31/08 ,  C07C45/49 ,  C07C51/12 ,  C07C67/00

Abstract: Ethanol is manufactured by reaction of carbon monoxide with hydrogen on a supported rhodium catalyst containing as cocatalyst at least one of the elements zirconium, hafnium, lanthanum, platinum, chromium and mercury.

公开(公告)号：CA2117735A1

公开(公告)日：1995-04-09

申请号：CA2117735

申请日：1994-10-07

Applicant: HOECHST AG

Inventor： NEUBER MARITA ,  LEUPOLD ERNST I ,  LITTERER HEINZ ,  BARTELS GUENTER ,  KANSCHIK-CONRADSEN ANDREAS

IPC: B01J29/40 ,  C07B61/00 ,  C07C17/00 ,  C07C17/358 ,  C07C25/13 ,  C07C17/24

Abstract: of the disclosure: Process for preparing 1-bromo-3,5-difluorobenzene Process for preparing 1-bromo-3,5-difluorobenzene, which comprises isomerizing 1-bromo-2,4-difluorobenzene or a mixture of 1-bromo-2,4-difluorobenzene and 1-bromo-2,6-difluorobenzene over acid zeolites of the pentasil type.