GB1197798A - Chelating Compounds Derived from Amino Acid Derivatives - Google Patents

Chelating Compounds Derived from Amino Acid Derivatives

Info

Publication number
GB1197798A
GB1197798A GB3812067A GB3812067A GB1197798A GB 1197798 A GB1197798 A GB 1197798A GB 3812067 A GB3812067 A GB 3812067A GB 3812067 A GB3812067 A GB 3812067A GB 1197798 A GB1197798 A GB 1197798A
Authority
GB
United Kingdom
Prior art keywords
com
hydrazine
compounds derived
chelating compounds
coor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3812067A
Inventor
Frederick Charles Bersworth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB3812067A priority Critical patent/GB1197798A/en
Priority to NL6711460A priority patent/NL6711460A/xx
Publication of GB1197798A publication Critical patent/GB1197798A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C07C243/24—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids
    • C07C243/26—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C243/34—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of a carbon skeleton further substituted by nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,197,798. Chelating compounds derived from amino acids. F. C. BERSWORTH. 18 Aug., 1967, No. 38120/67. Heading C2C. [A lso in Division C3] Novel products are prepared by reacting a compound I in which Z is 2-(N(CH 2 COM) 2 ]-cyclohexyl or m and p are 0 or positive integers; n is 2 or 3; and COM is -COOR, -CH 2 OPO 2 H, -SO 3 Cl, -OR, -CH 2 OH, or -OR 1 OR 2 wherein R is H, alkyl, alkali metal or NH 4 , Cl is H or alkali metal, R 1 is alkylene and R 2 is H or alkyl; not more than two -COM'S being -CH 2 OH and not more than two -COM's being -COOR if p is 0 with a reagent III selected from hydrazine, optionally C 1-8 alkylated; guanidine; biguanidine; urea; guanyl hydrazine or derivatives thereof wherein at least one -COM is reacted and wherein not more than three moles of reagent III are reacted if I is EDTA and III is hydrazine. Intermediates isolated are the trimethyl ester of hydroxyethyl-ethylene diamine triacetic acid; the tetramethyl ester of EDTA and its sulphate and hydrochloride; and the methyl ester of diethylene triamine pentaacetic acid all prepared by reaction of the appropriate free acid with methanol followed by salt formation if desired.
GB3812067A 1967-08-18 1967-08-18 Chelating Compounds Derived from Amino Acid Derivatives Expired GB1197798A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3812067A GB1197798A (en) 1967-08-18 1967-08-18 Chelating Compounds Derived from Amino Acid Derivatives
NL6711460A NL6711460A (en) 1967-08-18 1967-08-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3812067A GB1197798A (en) 1967-08-18 1967-08-18 Chelating Compounds Derived from Amino Acid Derivatives

Publications (1)

Publication Number Publication Date
GB1197798A true GB1197798A (en) 1970-07-08

Family

ID=10401314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3812067A Expired GB1197798A (en) 1967-08-18 1967-08-18 Chelating Compounds Derived from Amino Acid Derivatives

Country Status (2)

Country Link
GB (1) GB1197798A (en)
NL (1) NL6711460A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144742A (en) * 1983-08-10 1985-03-13 Nuclear Technology Corp Hydrazides of amino-polyacetic acids as chelants
WO1993002045A1 (en) * 1991-07-17 1993-02-04 Nycomed Salutar, Inc. Hydroxamate and hydrazide derivatives of polyamines and their medical use as chelating agents

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144742A (en) * 1983-08-10 1985-03-13 Nuclear Technology Corp Hydrazides of amino-polyacetic acids as chelants
US4609757A (en) * 1983-08-10 1986-09-02 Nuclear Technology Corporation Hydrazides of amino-polyacetic acids as chelants
WO1993002045A1 (en) * 1991-07-17 1993-02-04 Nycomed Salutar, Inc. Hydroxamate and hydrazide derivatives of polyamines and their medical use as chelating agents

Also Published As

Publication number Publication date
NL6711460A (en) 1969-02-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees