GB1247414A – Process for the preparation of dimethylthiophosphite and of organothiophosphonous acid o-monomethyl esters
– Google Patents
GB1247414A – Process for the preparation of dimethylthiophosphite and of organothiophosphonous acid o-monomethyl esters
– Google Patents
Process for the preparation of dimethylthiophosphite and of organothiophosphonous acid o-monomethyl esters
Info
Publication number
GB1247414A
GB1247414A
GB25319/69A
GB2531969A
GB1247414A
GB 1247414 A
GB1247414 A
GB 1247414A
GB 25319/69 A
GB25319/69 A
GB 25319/69A
GB 2531969 A
GB2531969 A
GB 2531969A
GB 1247414 A
GB1247414 A
GB 1247414A
Authority
GB
United Kingdom
Prior art keywords
acid
dimethylthiophosphite
organothiophosphonous
dimethyl ester
monomethyl
Prior art date
1968-05-20
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
GB25319/69A
Inventor
Reinhard Schliebs
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.)
Bayer AG
Original Assignee
Bayer AG
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.)
1968-05-20
Filing date
1969-05-19
Publication date
1971-09-22
1968-05-20
Priority claimed from DE19681768503
external-priority
patent/DE1768503C3/en
1969-05-19
Application filed by Bayer AG
filed
Critical
Bayer AG
1971-09-22
Publication of GB1247414A
publication
Critical
patent/GB1247414A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
C07F9/02—Phosphorus compounds
C07F9/06—Phosphorus compounds without P—C bonds
C07F9/16—Esters of thiophosphoric acids or thiophosphorous acids
C07F9/201—Esters of thiophosphorus acids
C07F9/202—Esters of thiophosphorus acids with hydroxyl compounds without further substituents on alkyl
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
C07F9/02—Phosphorus compounds
C07F9/28—Phosphorus compounds with one or more P—C bonds
C07F9/48—Phosphonous acids R—P(OH)2; Thiophosphonous acids including RHP(=O)(OH); Derivatives thereof
Abstract
1,247,414. Preparing dimethylthiophosphite and organo phosphonous acid-O-monomethyl esters. FARBENFABRIKEN BAYER A.G. 19 May, 1969 [20 May, 1968], No. 25319/68. Heading C2C. Dimethylthiophosphite or an organothiophosphonous acid O-monomethyl ester are obtained by reacting trimethyl phosphite or an organophosphonous acid, O,O-dimethyl ester respectively with hydrogen sulphide and a weak organic base (the pKa of which in aqueous solution is from 0.5 to 8) at 0 to 70 C. and at a pressure of from 1 to 65 atmospheres absolute. Suitable organic bases include aniline, dimethyl- and diethyl-aniline, pyridine, picolines, collidines and trishydroxyisopropylamine. The organophosphonous acid O,O-dimethyl ester reactant may be methane-, ethane- or benzenephosphonous acid dimethyl ester. The products may be recovered by distillation of the reaction mixture or by extraction of the organic base and of the methanol formed with an aqueous solution of a strong inorganic acid.
GB25319/69A
1968-05-20
1969-05-19
Process for the preparation of dimethylthiophosphite and of organothiophosphonous acid o-monomethyl esters
Expired
GB1247414A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE19681768503
DE1768503C3
(en)
1968-05-20
Process for the production of dimethylthiophosphite or of Niederalkylthiophosphonigsäure-O-monomethylesters
Publications (1)
Publication Number
Publication Date
GB1247414A
true
GB1247414A
(en)
1971-09-22
Family
ID=5699762
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB25319/69A
Expired
GB1247414A
(en)
1968-05-20
1969-05-19
Process for the preparation of dimethylthiophosphite and of organothiophosphonous acid o-monomethyl esters
Country Status (13)
Country
Link
US
(1)
US3655835A
(en)
BE
(1)
BE733242A
(en)
BR
(1)
BR6908985D0
(en)
CH
(1)
CH510698A
(en)
CS
(1)
CS174114B2
(en)
ES
(1)
ES367435A1
(en)
FR
(1)
FR2008929A1
(en)
GB
(1)
GB1247414A
(en)
IL
(1)
IL32016A
(en)
NL
(1)
NL161159C
(en)
PL
(1)
PL69846B1
(en)
RO
(1)
RO56079A
(en)
TR
(1)
TR16874A
(en)
1969
1969-04-11
CH
CH554969A
patent/CH510698A/en
not_active
IP Right Cessation
1969-04-14
IL
IL32016A
patent/IL32016A/en
unknown
1969-04-23
RO
RO59814A
patent/RO56079A/ro
unknown
1969-05-05
TR
TR16874A
patent/TR16874A/en
unknown
1969-05-05
US
US821995A
patent/US3655835A/en
not_active
Expired – Lifetime
1969-05-19
PL
PL1969133683A
patent/PL69846B1/pl
unknown
1969-05-19
GB
GB25319/69A
patent/GB1247414A/en
not_active
Expired
1969-05-19
BE
BE733242D
patent/BE733242A/xx
unknown
1969-05-20
CS
CS3574A
patent/CS174114B2/cs
unknown
1969-05-20
ES
ES367435A
patent/ES367435A1/en
not_active
Expired
1969-05-20
NL
NL6907698.A
patent/NL161159C/en
not_active
IP Right Cessation
1969-05-20
FR
FR6916345A
patent/FR2008929A1/fr
not_active
Withdrawn
1969-05-20
BR
BR208985/69A
patent/BR6908985D0/en
unknown
Also Published As
Publication number
Publication date
NL161159B
(en)
1979-08-15
DE1768503B2
(en)
1975-10-23
FR2008929A1
(en)
1970-01-30
PL69846B1
(en)
1973-10-31
ES367435A1
(en)
1971-04-01
BR6908985D0
(en)
1973-01-09
CS174114B2
(en)
1977-03-31
IL32016A
(en)
1972-04-27
DE1768503A1
(en)
1971-10-28
CH510698A
(en)
1971-07-31
RO56079A
(en)
1974-03-01
IL32016A0
(en)
1969-06-25
BE733242A
(en)
1969-11-19
TR16874A
(en)
1973-09-01
NL161159C
(en)
1980-01-15
US3655835A
(en)
1972-04-11
NL6907698A
(en)
1969-11-24
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