GB1353499A - Substituted phosphoramide compounds and their conversion to substituted benzamide derivatives - Google Patents
Substituted phosphoramide compounds and their conversion to substituted benzamide derivativesInfo
- Publication number
- GB1353499A GB1353499A GB5910171A GB5910171A GB1353499A GB 1353499 A GB1353499 A GB 1353499A GB 5910171 A GB5910171 A GB 5910171A GB 5910171 A GB5910171 A GB 5910171A GB 1353499 A GB1353499 A GB 1353499A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substituted
- salt
- product
- formula
- phosphoramide
- 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
Links
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
- C07F9/22—Amides of acids of phosphorus
- C07F9/224—Phosphorus triamides
Abstract
1353499 Preparing substituted benzamides; substituted phosphoramides SOC D'ETUDES SCIENTIFIQUES ET INDUSTRIELLES DE L'ILE-DE-FRANCE and TEIKOKU CHEMICAL INDUSTRY 20 Dec 1971 [21 Dec 1970] 59101/71 Headings C2C and C2P A substituted benzamide of the formula in which A is a C 1 -C 5 alkylene group, X is H or halogen, R 3 is H, OH or C 1 -C 5 alkoxy and R 1 and R 2 are each C 1 -C 5 alkyl, or salt thereof, is obtained by reacting a substituted benzoic acid of the formula: with a novel phosphoramide compound of the formula: or a salt thereof. The reaction is suitably effected by heating the reactants at 50-150‹ C. in an inert solvent and when the phosphoramide is used in the form of a salt, e.g. the hydrochloride, the product I is also obtained in the form of a salt. Examples are given for the production of substituted benzamides of Formula I in which (a) R 1 and R 2 are each ethyl, X is Cl and R 3 is OCH 3 and OH respectively, (b) R 1 and R 2 are each ethyl and R 3 and X are each H, the product being obtained directly as the hydrochloride by using the phosphoramide in the form of its trihydrochloride and (c) R 1 and R 2 are each ethyl, R 3 is methoxy and X is Br. When R 3 in the product I is OH the product can be converted to the corresponding compound in which R 3 is alkoxy and in one example 2 - methoxy - 4 - amino - 5 - chloro- (N,N-diethylaminoethyl) benzamide is obtained by treating the corresponding 2-hydroxy compound with dimethyl sulphate. Also, when X is H in the product the latter may be converted to the corresponding 5-chloro compound by treatment with a suitable chlorinating agent, e.g. phenyliodine dichloride, iodine trichloride or succinic imide chloride. The products have pharmacological activity. The novel phosphoramides of Formula III are obtained in the form of their trihydrochloride salts by reacting an appropriate N,N- dialkylene diamine, e.g. diethylethylene diamine, with phosphorus oxychloride and the resulting salt can be converted to the free base by adding an alkali to the trihydrochloride salt. 2 - Hydroxy - 4 - amino - 5 - chlorobenzoic acid is obtained by reacting p-aminosalicylic acid with an appropriate chlorinating agent, e.g. phenyl iodine dichloride, iodine trichloride, succinic imide chloride, or cyanuric chloride.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45115341A JPS4940459B1 (en) | 1970-12-21 | 1970-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1353499A true GB1353499A (en) | 1974-05-15 |
Family
ID=14660130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5910171A Expired GB1353499A (en) | 1970-12-21 | 1971-12-20 | Substituted phosphoramide compounds and their conversion to substituted benzamide derivatives |
Country Status (28)
Country | Link |
---|---|
JP (1) | JPS4940459B1 (en) |
AR (1) | AR195064A1 (en) |
AT (1) | AT314509B (en) |
AU (1) | AU459435B2 (en) |
BE (1) | BE776936A (en) |
BG (2) | BG18860A3 (en) |
CA (1) | CA981692A (en) |
CH (2) | CH548985A (en) |
CS (1) | CS174172B2 (en) |
DE (1) | DE2162917B2 (en) |
ES (1) | ES398146A1 (en) |
FI (1) | FI55991C (en) |
FR (1) | FR2118960B1 (en) |
GB (1) | GB1353499A (en) |
HU (1) | HU163170B (en) |
IE (1) | IE35908B1 (en) |
IL (1) | IL38417A (en) |
LU (1) | LU64484A1 (en) |
MC (1) | MC939A1 (en) |
NL (1) | NL7117522A (en) |
NO (1) | NO137088C (en) |
OA (1) | OA03933A (en) |
PH (1) | PH9783A (en) |
PL (1) | PL88937B1 (en) |
RO (1) | RO57372A (en) |
SE (1) | SE402277B (en) |
YU (1) | YU35341B (en) |
ZA (1) | ZA718479B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793871A (en) * | 1972-07-19 | 1973-05-02 | Renfag Sa | PROCESS FOR THE PREPARATION OF N- (1-ETHYL-2- PYRROLIDYLMETYL) -2-METHOXT-5-ETHYLSULFONYL-BENZAMIDE AND ITS ADDITIONAL SALTS |
BE791677A (en) * | 1972-07-19 | 1973-03-16 | Renfag Sa | PROCESS FOR THE PREPARATION OF N- (DIETHYLAMINOETHYL) -2- METHOXY-5-METHYLSULFONYL-BENZAMIDE |
CH614709A5 (en) * | 1975-09-25 | 1979-12-14 | Ciba Geigy Ag |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3170955A (en) * | 1958-04-25 | 1965-02-23 | Abbott Lab | Amino and halogen substituted-n-diloweralkylamino-alkyl-benzamides |
NL281394A (en) * | 1961-07-25 |
-
1970
- 1970-12-21 JP JP45115341A patent/JPS4940459B1/ja active Pending
-
1971
- 1971-12-17 DE DE2162917A patent/DE2162917B2/en active Granted
- 1971-12-17 YU YU3163/71A patent/YU35341B/en unknown
- 1971-12-20 PL PL1971152310A patent/PL88937B1/pl unknown
- 1971-12-20 GB GB5910171A patent/GB1353499A/en not_active Expired
- 1971-12-20 SE SE7116316A patent/SE402277B/en unknown
- 1971-12-20 BE BE776936A patent/BE776936A/en not_active IP Right Cessation
- 1971-12-20 OA OA54443A patent/OA03933A/en unknown
- 1971-12-20 NL NL7117522A patent/NL7117522A/xx unknown
- 1971-12-20 NO NO4695/71A patent/NO137088C/en unknown
- 1971-12-20 BG BG19283A patent/BG18860A3/xx unknown
- 1971-12-20 CA CA130,611A patent/CA981692A/en not_active Expired
- 1971-12-20 FI FI3619/71A patent/FI55991C/en active
- 1971-12-20 ES ES398146A patent/ES398146A1/en not_active Expired
- 1971-12-20 IE IE1608/71A patent/IE35908B1/en unknown
- 1971-12-20 AR AR239698A patent/AR195064A1/en active
- 1971-12-20 FR FR7145812A patent/FR2118960B1/fr not_active Expired
- 1971-12-20 BG BG21828A patent/BG19601A3/xx unknown
- 1971-12-20 LU LU64484A patent/LU64484A1/xx unknown
- 1971-12-20 ZA ZA718479A patent/ZA718479B/en unknown
- 1971-12-20 MC MC964A patent/MC939A1/en unknown
- 1971-12-21 RO RO69131A patent/RO57372A/ro unknown
- 1971-12-21 CS CS8867A patent/CS174172B2/cs unknown
- 1971-12-21 IL IL38417A patent/IL38417A/en unknown
- 1971-12-21 CH CH103773A patent/CH548985A/en not_active IP Right Cessation
- 1971-12-21 AT AT1094671A patent/AT314509B/en not_active IP Right Cessation
- 1971-12-21 PH PH13132A patent/PH9783A/en unknown
- 1971-12-21 HU HUSO1027A patent/HU163170B/hu unknown
- 1971-12-21 CH CH1866571A patent/CH545273A/en not_active IP Right Cessation
- 1971-12-21 AU AU37152/71A patent/AU459435B2/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |