GB1583661A - Tumour antidote - Google Patents

Tumour antidote Download PDF

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Publication number
GB1583661A
GB1583661A GB18431/77A GB1843177A GB1583661A GB 1583661 A GB1583661 A GB 1583661A GB 18431/77 A GB18431/77 A GB 18431/77A GB 1843177 A GB1843177 A GB 1843177A GB 1583661 A GB1583661 A GB 1583661A
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Prior art keywords
tumor
group
compound
pharmaceutical preparation
och3
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GB18431/77A
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Max Planck Gesellschaft zur Foerderung der Wissenschaften eV
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Max Planck Gesellschaft zur Foerderung der Wissenschaften eV
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/08Esters of oxyacids of phosphorus
    • C07F9/09Esters of phosphoric acids
    • C07F9/10Phosphatides, e.g. lecithin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicinal Preparation (AREA)

Description

(54) TUMOR ANTIDOTE (71) We, MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V., a body corporate organised according to the laws of the Federal Republic of Germany, of 10 Bunsenstrasse, 3400 Göttingen, Federal Republic of Germany, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following statement:- The present invention relates to a tumor antidote.
German Offenlegungsschrift No. 2 009 342 (U.K. Patent No. 1,334,137) and U.S. Patent No. 3 752 886 describe the use of synthetic lysolecithin compounds for increasing resistance to diseases and tumors and for use as immunological auxiliaries.
It is also known that lysolecithin analogues, which may alternatively be called lysophosphatides, increase phagocytosis of peritoneal macrophages. Moreover, after an injection of lysophosphatides, activated cells are formed which are able to increase the resistance of the body against damaging influences.
It has now been found surprisingly that certain lysolecithin analogues have a special effect on the growth of tumors.
The present invention provides a pharmaceutical preparation which comprises, in admixture or conjunction with a pharmaceutically suitable carrier, a compound of the general formula I
wherein R, represents an alkylcarbonyl or alkoxy group having from 8 to 20 carbon atoms, preferably 16 to 18 carbon atoms; R2 represents a hydrogen atom or a methyl group; R3 represents a hydrogen atom, a hydroxyl group, an alkyl-carbonyl or alkoxy group having a chain length of from 1 to 8, preferably 1 to 3, carbon atoms, or a benzyl group; R, and R3 may be interchanged; R4 represents the group
(phosphorylcholine derivatives) in which R5 represents a hydrogen atom or a lower alkyl group having I to 3 carbon atoms, preferably a methyl group, or R4 represents the group
(phosphoryl-ethanol- amine) with the exception of those compounds in which R2 represents a hydrogen atom and R3 represents a hydrogen atom or a hydroxyl group, and those in which R2 represents a methyl group and R3 represents a hydroxyl group.
Those compounds in which R, is a long chain group are analogous of alysolecithin, whereas those in which R3 is the long chain group are p-lysolecithin analogues.
The compound cited as example and hereinafter called ET-18-OCH3 in a thoroughly abbreviated manner has the following formula II
The compounds of the formula I may be prepared according to any of the methods described in the literature, for example according to Arnold, D., Weltzien, H. U. and 0. Westphal; Uber die Synthese von Lysolecithinen und ihren Atheranaloga; Liebigs Ann. Chem. 709, 234-239 (1967) Weltzien, H. U. and 0. Westphal; O-methylierte und O-acetylierte Lysolecithine; Liebigs Ann. Chem. 709, 240243 (1967) Eibl. H. and 0. Westphal; Palmitoyl - propandiol - (1,3) - phosphorylcholin (2 - Desoxy - lysolecithin) und w,w - Alkandiol - Analoga Liebigs Ann. Chem.
709 244-247 (1967) The activity of compounds of the formula I against the growth of tumors is advantageously demonstrated on tumors of test animals. For this purpose, various experimental tumors are used, for example, Ehrlich ascites tumor, a methylcholanthrene-induced tumor and a myeloma tumor in mice, furthermore a chemically induced rat tumor.
The anti-tumor substances may be administered parenterally to the tumorcarrying test animals or to a patient preferably by intravenous, intra- or subcutaneous injection. Oral administration also is possible when the tumor antidote is used in a physiologically tolerable formulation, for example, soft and hard capsules and tablets.
The pharmaceutical preparations of the invention are, therefore, for example, in a form suitable for parenteral, especially intravenous, intracutaneous or subcutaneous administration, or for oral administration. There may be used any pharmaceutical carrier suitable for the chosen galenic form.
The preparations may be in unit dosage form. An advantageous dosage for parenteral administration is from 0.05 to 5 mg/kg of a compound of formula I body weight, and for oral administration from 0.01 to 10 mg/kg body weight. The preparations may contain from 0.05 to 5 mg and from 0.01 to 10 mg of the compound per ml, respectively. When the preparation is for oral administration, it advantageously comprises a solution or suspension of the compound of formula I in a soft gelatin capsule.
Especially efficient are the compounds of the formula II. At low concentration, they cause a reduction of the growth rate of tumors and at mean concentration, a regression of the tumors is often observed. After regression of the tumors, the test animals display a specific resistance to attempts to implant again a tumor of the same kind: the tumor does not grow any more. In order to enable the compound of formula I to remain in the circulatory system for a prolonged period, it is often useful to administer pharmaceutical preparation of the invention daily or in intervals of 2 or 3 days.
The invention further provides a method of treating an animal having a tumor, which comprises administering to the animal a compound of the general formula I.
The amount of the compound administered is preferably from 0.05 to 5 mg parenterally and from 0.01 to 10 mg orally. The animal is especially a human being.
The following Examples illustrate the activity of the tumor medicaments of the invention.
TEST EXAMPLE 1: Mice carrying Ehrlich ascites carcinoma cells (see Table 1) were treated the 7th day after the tumor inoculation with the anti-tumor compound ET-18-OCH3 by means of intravenous injection.
The survival rate was evaluated of the mice which had been inoculated intraperitoneally with a varying number of tumor cells. Table I shows the test results and the dependence of the efficiency of the tumor antidote ET-18-OCH3 on the daily dose intravenously administered, expressed as ratio of surviving animals to total number of mice.
TABLE 1 Daily doses of Number of tumor cells applied per ET- 1 8-OCH3 mouse for tumor inoculation per 20 g mouse 1x103 1x104 5x104 lx 105 5x 5x105 I Mg 0/5*) 3/5 3/5 3/5 1/5 10 ssg 0/5 1/5 1/5 1/5 1/5 100 mug 0/5 3/5 2/5 3/5 1/5 Control (without ET-18-OCH3) 0/5 0/5 0/5 0/5 0/5 *' Surviving/total number of test animals TEST EXAMPLE 2: 5x104 myeloma tumor cells (Potterx5563) were subcutaneously inoculated in C3H mice. The mice were then treated with the tumor antidote ET-18-OCH3 by administering 10 g/20 g mouse intracutaneously for 14 days at a place remote from the tumor. The following Table 3 shows the survival rate of the test animals, depending on the start of treatment with the tumor antidote.
TABLE 3 Start of treatment/day Surviving/total number of test animals +1 4/5 +7 3/5 +11 3/5 +15 1/5 Control (without ET-18-OCH3) 0/5 WHAT WE CLAIM IS: 1. A pharmaceutical preparation which comprises, in admixture or conjunction with a pharmaceutically suitable carrier, a compound of the general formula I
wherein R, represents an alkylcarbonyl or alkoxy group having a chain length of 8 to 20 carbon atoms; R2 represents a hydrogen atom or a methyl group; R3 represents a hydrogen atom, a hydroxyl group, or an alkylcarbonyl or alkoxy group having a chain length of 1 to 8 carbon atoms, or represents a benzyl group; R, and R3 being interchangeable; R4 represents the group
in which
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (1)

  1. **WARNING** start of CLMS field may overlap end of DESC **.
    The following Examples illustrate the activity of the tumor medicaments of the invention.
    TEST EXAMPLE 1: Mice carrying Ehrlich ascites carcinoma cells (see Table 1) were treated the 7th day after the tumor inoculation with the anti-tumor compound ET-18-OCH3 by means of intravenous injection.
    The survival rate was evaluated of the mice which had been inoculated intraperitoneally with a varying number of tumor cells. Table I shows the test results and the dependence of the efficiency of the tumor antidote ET-18-OCH3 on the daily dose intravenously administered, expressed as ratio of surviving animals to total number of mice.
    TABLE 1 Daily doses of Number of tumor cells applied per ET- 1 8-OCH3 mouse for tumor inoculation per 20 g mouse 1x103 1x104 5x104 lx 105 5x 5x105 I Mg 0/5*) 3/5 3/5 3/5 1/5 10 ssg 0/5 1/5 1/5 1/5 1/5 100 mug 0/5 3/5 2/5 3/5 1/5 Control (without ET-18-OCH3) 0/5 0/5 0/5 0/5 0/5 *' Surviving/total number of test animals TEST EXAMPLE 2: 5x104 myeloma tumor cells (Potterx5563) were subcutaneously inoculated in C3H mice. The mice were then treated with the tumor antidote ET-18-OCH3 by administering 10 g/20 g mouse intracutaneously for 14 days at a place remote from the tumor. The following Table 3 shows the survival rate of the test animals, depending on the start of treatment with the tumor antidote.
    TABLE 3 Start of treatment/day Surviving/total number of test animals +1 4/5 +7 3/5 +11 3/5 +15 1/5 Control (without ET-18-OCH3) 0/5 WHAT WE CLAIM IS:
    1. A pharmaceutical preparation which comprises, in admixture or conjunction with a pharmaceutically suitable carrier, a compound of the general formula I
    wherein R, represents an alkylcarbonyl or alkoxy group having a chain length of 8 to 20 carbon atoms; R2 represents a hydrogen atom or a methyl group; R3 represents a hydrogen atom, a hydroxyl group, or an alkylcarbonyl or alkoxy group having a chain length of 1 to 8 carbon atoms, or represents a benzyl group; R, and R3 being interchangeable; R4 represents the group
    in which
    R5 represents a hydrogen atom or a lower alkyl group having 1 to 3 carbon atoms, or R4 represents the group
    with the exception of those compounds in which R2 represents a hydrogen atom and R3 represents a hydrogen atom or a hydroxyl group, and those in which R2 represents a methyl group and R3 represents a hydroxyl group.
    2. A pharmaceutical preparation as claimed in Claim 1, wherein R, representse an alkylcarbonyl or alkoxy group having a chain length of from 16 to 18 carbon atoms and R3 represents an alkylcarbonyl or alkoxy group having a chain length of from 1 to 3 carbon atoms, R1 and R3 being interchangeable, and R5 represents a methyl group.
    3. A pharmaceutical preparation as claimed in Claim 1, wherein R, represents an alkoxy group having a chain length of 18 carbon atoms, R2 represents a hydrogen atom, R3 represents a methoxy group, and R4 represents the group
    4. A pharmaceutical preparation as claimed in any one of Claims 1 to 3, in a form suitable for parenteral administration.
    5. A pharmaceutical preparation as claimed in Claim 4, in a form suitable for intraveneous, intracutaneous or subcutaneous administration.
    6. A pharmaceutical preparation as claimed in Claim 4 or Claim 5, which comprises from 0.05 to 5 mg of the compound of formula I per ml.
    7. A pharmaceutical preparation as claimed in any one of Claims 1 to 4, in a form suitable for oral administration.
    8. A pharmaceutical preparation as claimed in claim 7, which comprises from 0.01 to 10 mg of the compound of formula I per ml.
    9. A pharmaceutical preparation as claimed in Claim 7 or Claim 8, in the form of a soft gelatin capsule.
    10. A method of treating a non-human animal having a tumor, which comprises administering to the animal a compound as defined in any one of Claims 1 to 3.
    11. A method as claimed in Claim 10, wherein the compound is administered intravenously, intracutaneously or subcutaneously.
    13. A method as claimed in Claim 10, wherein the compound is administered orally.
    14. A method as claimed in Claim 13, wherein from 0.01 to 10 mg of the compound is administered per kg body weight.
GB18431/77A 1976-05-04 1977-05-03 Tumour antidote Expired GB1583661A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2619686A DE2619686C2 (en) 1976-05-04 1976-05-04 Use of a lysolecithin for tumor treatment

Publications (1)

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GB1583661A true GB1583661A (en) 1981-01-28

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JP (1) JPS52134027A (en)
AU (1) AU517586B2 (en)
BE (1) BE854270A (en)
CA (1) CA1094455A (en)
DE (1) DE2619686C2 (en)
FR (1) FR2364656A1 (en)
GB (1) GB1583661A (en)
IE (1) IE44927B1 (en)
IL (1) IL51988A (en)
IT (1) IT1071329B (en)
LU (1) LU77248A1 (en)
NL (1) NL189672C (en)
NZ (1) NZ183981A (en)
SE (1) SE7705071L (en)
ZA (1) ZA772649B (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562179A (en) * 1982-04-19 1985-12-31 Fujisawa Pharmaceutical Co., Ltd. Phospholipid derivatives, and pharmaceutical composition of the same
US4675430A (en) * 1985-07-15 1987-06-23 Takeda Chemical Industries, Inc. 2-alkanoyloxy-3-(N-octadecylcarbamoyloxy)propyl 2-trimethylaminoethyl phosphate
US4710579A (en) * 1984-11-09 1987-12-01 Takeda Chemical Industries, Ltd. 2-(acetoacetyloxy)-3-(octadecyloxy)propyl-3-trimethylammoniopropyl phosphate or a pharmaceutically acceptable salt thereof
US4889953A (en) * 1986-07-22 1989-12-26 Takeda Chemical Industries, Ltd. Glycerol derivatives, their production and use
WO1993001196A1 (en) * 1991-07-10 1993-01-21 Laboratorios Menarini S.A. Ketoalkylglycerophospholipids having antitumor and anti-platelet aggregation activities, processes for the preparation thereof and pharmaceutical compositions therefrom
US5762958A (en) * 1994-10-14 1998-06-09 The Liposome Company, Inc. Multilipid component ether lipid liposomes
US5942246A (en) * 1996-02-16 1999-08-24 The Liposome Company, Inc. Etherlipid containing multiple lipid liposomes
US5965159A (en) * 1996-02-16 1999-10-12 The Liposome Company, Inc. Etherlipid-containing multiple lipid liposomes
US6007839A (en) * 1996-02-16 1999-12-28 The Liposome Company, Inc. Preparation of pharmaceutical compositions containing etherlipid-containing multiple lipid liposomes
US6667053B1 (en) 1996-02-16 2003-12-23 Elan Pharmaceuticals, Inc. D and L etherlipid stereoisomers and liposomes
USRE39042E1 (en) * 1996-02-16 2006-03-28 The Liposome Company, Inc. Etherlipid-containing multiple lipid liposomes
WO2008074572A1 (en) * 2006-12-20 2008-06-26 Universitätsklinikum Hamburg-Eppendorf Use of tri-substituted glycerol compounds for the treatment of hematological malignancies

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5396311A (en) * 1977-01-29 1978-08-23 Toyama Chem Co Ltd Anti-cander drugs containing lysolecithins
JPS5528955A (en) * 1978-08-24 1980-02-29 Toyama Chem Co Ltd Novel glycerophosphoric acid derivative, its salt, their preparation, and carcinostatic agent containing the same.
GB2046092B (en) * 1979-03-05 1983-11-02 Toyama Chemical Co Ltd Pharmaceutical composition containing a lysophospholid and a phospholipid
US4408052A (en) * 1980-02-27 1983-10-04 Takeda Chemical Industries, Ltd. Phospholipid carbamates
US4551532A (en) * 1980-05-08 1985-11-05 Takeda Chemical Industries, Ltd. Ethylene glycol derivatives having anti-protozoan, anti-fungal and anti-tumor activity
EP0050327B1 (en) * 1980-10-21 1984-06-20 Roche Diagnostics GmbH Phospholipids that contain sulphur, process for their preparation and medicines containing these compounds
JPS5772914A (en) * 1980-10-22 1982-05-07 Takeda Chem Ind Ltd Antitumor agent
EP0061872B1 (en) * 1981-03-30 1985-08-07 Takeda Chemical Industries, Ltd. Ethyleneglycol derivatives, their production and use
DE3127503A1 (en) * 1981-07-11 1983-02-17 Boehringer Mannheim Gmbh, 6800 Mannheim NEW PHOSPHOLIPIDS, METHOD FOR THE PRODUCTION THEREOF, AND MEDICINAL PRODUCTS CONTAINING THESE COMPOUNDS
DE3131524A1 (en) * 1981-08-08 1983-02-24 Röhm GmbH, 6100 Darmstadt METHOD FOR PRODUCING PHYSIOLOGICAL EFFECTORS
DE3239817A1 (en) * 1982-07-06 1984-01-12 Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen NEW GLYCER DERIVATIVES FOR THE SYNTHESIS OF PHOSPHOLIPIDES
DE3239858A1 (en) * 1982-07-06 1984-01-12 Max Planck Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen NEW D-MANNITE DERIVATIVES AS STARTING PRODUCTS FOR THE SYNTHESIS OF PHOSPHOLIPIDES
EP0103877B1 (en) * 1982-09-21 1987-01-07 Fujisawa Pharmaceutical Co., Ltd. Phosphate derivatives, process for preparation thereof and pharmaceutical compositions of the same
US4761404A (en) * 1985-07-01 1988-08-02 Merck & Co., Inc. Phospholipid analogs useful as PAF synthesis inhibitors
JPS6294A (en) * 1986-05-09 1987-01-06 Toyama Chem Co Ltd Novel glycerophosphoric acid derivative and salt and production thereof
US5036152A (en) * 1988-03-10 1991-07-30 Hoechst-Roussel Pharmaceuticals Incorporated Alkoxycarbonylalkylphospholipids and alkylaminocarbonylalkylphospholipids
US4888328A (en) * 1988-03-10 1989-12-19 Hoeschst-Roussel Incorporated Alkoxycarbonylalkylphospholipids and alkylaminocarbonylalkylphospholipids
DE3906952A1 (en) * 1989-03-04 1990-09-06 Boehringer Mannheim Gmbh (3- (C (DOWN ARROW)) (DOWN ARROW) (DOWN ARROW) 6 (DOWN ARROW) -C (DOWN ARROW) 1 (DOWN ARROW) (DOWN ARROW) 8 (DOWN ARROW)) ALKANSULFINYL AND 2 SULPHONE -METHOXYMETHYL-PROPYL) - (2-TRIMETHYLAMMONIO-ETHYL) PHOSPHATES, METHOD FOR PRODUCING THE MEDICINAL PRODUCTS CONTAINING THESE COMPOUNDS
DE3918082A1 (en) * 1989-06-02 1991-01-24 Max Planck Gesellschaft AGENT FOR AUTOIMMUNE DISEASES
DE3935580C2 (en) * 1989-10-25 1998-05-28 Medmark Pharma Gmbh Use of an active pharmaceutical ingredient for the treatment of HIV infections
EP0581793A1 (en) * 1991-04-25 1994-02-09 University Of British Columbia Phosphonates and phosphinates as anti-cancer, -inflammatory, -allergy and -myocarditis agents
US6135426A (en) * 1998-01-07 2000-10-24 Briggs And Stratton Corporation Priming system for internal combustion engines
EP2091520B1 (en) 2006-11-10 2012-02-22 Alphaptose Gmbh Oral dosage form comprising tri-substituted glycerol compounds
CN101606061B (en) * 2006-11-10 2014-01-22 阿尔法普托斯有限公司 Methods and compositions for detecting receptor ligand mimetics
US8637688B2 (en) * 2006-12-20 2014-01-28 Julia Diederichs Topical dosage form comprising tri-substituted glycerol compounds
WO2013156630A1 (en) 2012-04-20 2013-10-24 Alphaptose Gmbh S-enantiomer of a tri-substituted glycerol compound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2009342C3 (en) * 1970-02-27 1980-12-18 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Use of glycerol alkyl ether (l) phosphoric acid (3) monocholine esters
DE2009343C3 (en) * 1970-02-27 1980-10-23 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Use of lysolecithins as immunological adjuvants
DE2009341C3 (en) * 1970-02-27 1979-06-21 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen 3-Octadecyloxy-propanol- (l) -phosphoric acid monocholine ester and process for its preparation
DE2033361C3 (en) * 1970-07-06 1980-02-21 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V., 3400 Goettingen Acylpropanediol- (13) -phosphoric acid choline ester and process for their preparation

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562179A (en) * 1982-04-19 1985-12-31 Fujisawa Pharmaceutical Co., Ltd. Phospholipid derivatives, and pharmaceutical composition of the same
US4710579A (en) * 1984-11-09 1987-12-01 Takeda Chemical Industries, Ltd. 2-(acetoacetyloxy)-3-(octadecyloxy)propyl-3-trimethylammoniopropyl phosphate or a pharmaceutically acceptable salt thereof
US4675430A (en) * 1985-07-15 1987-06-23 Takeda Chemical Industries, Inc. 2-alkanoyloxy-3-(N-octadecylcarbamoyloxy)propyl 2-trimethylaminoethyl phosphate
US4889953A (en) * 1986-07-22 1989-12-26 Takeda Chemical Industries, Ltd. Glycerol derivatives, their production and use
WO1993001196A1 (en) * 1991-07-10 1993-01-21 Laboratorios Menarini S.A. Ketoalkylglycerophospholipids having antitumor and anti-platelet aggregation activities, processes for the preparation thereof and pharmaceutical compositions therefrom
US5762958A (en) * 1994-10-14 1998-06-09 The Liposome Company, Inc. Multilipid component ether lipid liposomes
US5942246A (en) * 1996-02-16 1999-08-24 The Liposome Company, Inc. Etherlipid containing multiple lipid liposomes
US5965159A (en) * 1996-02-16 1999-10-12 The Liposome Company, Inc. Etherlipid-containing multiple lipid liposomes
US6007839A (en) * 1996-02-16 1999-12-28 The Liposome Company, Inc. Preparation of pharmaceutical compositions containing etherlipid-containing multiple lipid liposomes
US6180137B1 (en) 1996-02-16 2001-01-30 The Liposome Company, Inc. Etherlipid-containing multiple lipid liposomes
US6667053B1 (en) 1996-02-16 2003-12-23 Elan Pharmaceuticals, Inc. D and L etherlipid stereoisomers and liposomes
USRE39042E1 (en) * 1996-02-16 2006-03-28 The Liposome Company, Inc. Etherlipid-containing multiple lipid liposomes
WO2008074572A1 (en) * 2006-12-20 2008-06-26 Universitätsklinikum Hamburg-Eppendorf Use of tri-substituted glycerol compounds for the treatment of hematological malignancies
RU2474427C2 (en) * 2006-12-20 2013-02-10 Универзитетсклиникум Хамбург-Эппендорф Use of tri-substituted glycerol compounds for treating hematological malignant tumours

Also Published As

Publication number Publication date
LU77248A1 (en) 1977-12-13
IL51988A (en) 1981-05-20
CA1094455A (en) 1981-01-27
SE7705071L (en) 1977-11-05
ZA772649B (en) 1978-04-26
JPS52134027A (en) 1977-11-09
DE2619686A1 (en) 1977-11-24
NZ183981A (en) 1980-04-28
IL51988A0 (en) 1977-07-31
DE2619686C2 (en) 1986-08-07
IE44927L (en) 1977-11-04
IE44927B1 (en) 1982-05-19
JPS6146455B2 (en) 1986-10-14
IT1071329B (en) 1985-04-02
NL7704723A (en) 1977-11-08
FR2364656A1 (en) 1978-04-14
NL189672B (en) 1993-01-18
NL189672C (en) 1993-06-16
AU517586B2 (en) 1981-08-13
FR2364656B1 (en) 1980-03-07
AU2481977A (en) 1978-11-09
BE854270A (en) 1977-11-04

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PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19970502