IL40466A - Preparation of monohaloacetyl halides - Google Patents

Preparation of monohaloacetyl halides

Info

Publication number
IL40466A
IL40466A IL40466A IL4046672A IL40466A IL 40466 A IL40466 A IL 40466A IL 40466 A IL40466 A IL 40466A IL 4046672 A IL4046672 A IL 4046672A IL 40466 A IL40466 A IL 40466A
Authority
IL
Israel
Prior art keywords
methyl
accordance
halogen
ketene
ethyl
Prior art date
Application number
IL40466A
Other versions
IL40466A0 (en
Original Assignee
Monsanto Co
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
Priority claimed from US00276280A external-priority patent/US3812183A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Publication of IL40466A0 publication Critical patent/IL40466A0/en
Publication of IL40466A publication Critical patent/IL40466A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/38—Acyl halides
    • C07C53/46—Acyl halides containing halogen outside the carbonyl halide group
    • C07C53/50—Acyl halides containing halogen outside the carbonyl halide group of acids containing three or more carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/38—Acyl halides
    • C07C53/40—Acetyl halides

Claims (18)

40466/2 WHAT IS CLAIMED IS:
1. A process for the preparation of a monohaloacetyl halide optionally substituted by methyl, ethyl or phenyl which comprises reactin a corresponding ketene and a halogen in the presence of a solvent which i (a) an alicyclic certonate of the formula 0 wherein R, R1, R2 , R3, R4 and R5 are' Independently hydrogen, halogen, methyl, chloromethyl or ethyl, and n is an integei cf 0 or 1; (b) an alkoxyalk l ester of the formula 0 Re-0-R7-0-C-R8 wherein Re and R8 are each alkyl having a maximum of 5 carbon atoms, end R7 is alkylene having a maximum of 5 carbon atoms wi bh the total number of carbon atoms in R6, R7 and Rs teing at least 3 and not greater than 10; (c) a glycol est^r of the formula 0 0 R20_c_o_ (cRisRi a- (CR14R15 )b-CR16R17-CR18R19-0-C-R11 wherein R20 and R11 are each alkyl having a maximum of carbon atoms, Γ12, R13, R14, R15 , Rie, R17, R18 and R19 are each hydrogen, methyl or ethyl, with not more than 3 of R12, R13, R14, R15, Rle, R17, R18 and R19 being methyl or ethyl, and a and b are 0 or 1. 40466/2
2. A process for the preparati on of a monohal oacetyl hal i de optional ly substi tuted by methyl , ethyl or phenyl which compri ses reacting a correspondi ng ketene and a hal ogen in the presence of any al i cycl i c carbonate of the formul a CRR1- (CR2R3 )n-CR4R5 I I o c o It 0 wherein R, R1, R2, R3, R4 and R5 are independently hydrogen, halogen, methyl, chloromethyl or ethyl, and n is an integer of 0 or 1.
3. A process for the preparation of a monohaloacetyl halide which comprisos reacting a ketene and a halogen in the presence of an alkoxyaHkyl ester of the formula 0 R6-0-R7-0-C-R8 wherein Re and R8 are each alkyl having a maximum of 5 carbon atoms, and R7 is alkylene having a maximum of 5 carbon atoms with the total number of carbon atoms in R6, R7 and R8 being at least 3 and not greater than 10.
4. AG-871 C d f 'ned¾n a monohaloacyl halide /which comprises reacting a ketene and a halogen in the presence of a glycol ester of the formula 0 0 II It R2O_C_0_ (CR12R13 )&_ (CR14R15 ^-CR1 eR17-CR18R19-0-C-R11 wherein R2° and R^are each alkyl having a maximum of 4 carton atoms, R12, R13, R14, R15 , Rle, R17, R18 and R19 are each hydrogen, methyl or ethyl, with not more than 5 of R12, R13, R14, R15, R16, R17, R18 and R19 being methyl or ethyl, and a and b are 0 or 1.
5. 6r A process in accordance with Claim 2 wherein R, R1, R2, R3, R4 and R5 are hydrogen.
6.'
7. A process in accordance with Claim 2 wherein n is 0 or 1. 7.i Sr A process in accordance with Claim 2 wherein the carbonate is ethylene carbonate.
8.' _ L. A process in accordance with Claim 2 wherein the carbonate is ethylene carbonate and the halogen is chlorine or bromine .
9.' J.Q. A process of Claim 2 wherein the ketene is unsubstituted ketene and the halogen is chlorine.
10.' Ϊ1.
11. A process in accordance with Claim 3 wherein Re is methyl. 12. A process in accordance with Claim 3 wherein R6 is methyl and R7 is ethylene or methylene. 12.
12. A process in accordance with Claim 3 wherein the ester is 2-methoxyethyl acetate, 2-ethoxyethyl acetate, 40466/2
13. A process In accordance with Claim 3 wherein the ester is 2-methoxyethyl acetate and the halogen is chlorine or bromine.
14. A process of Cl aim 3 wherein the ketene is uns instituted ketene and the halogen is chlorine or bromine.
15. A process in accordance with Claim 5 wherein 20 and are methyl . 1
16. A process in accordance with Cl aim 5 wherein R , R^, R^8 and ^ are hydrogen and a and b are 0.
17. A process in accordance with Claim 5 wherein the ester is ethylene glycol diacetate, propylene glycol diacetate, ethylene glycol dipropionate, ethylene glycol divalerate, tetramethylene glycol diacetate, or isobutylene glycol dibutyrate. ketene
18. A process of Claim 5 wherein the (ίέίέ is an unsub-stituted ke Attorneys for Appl icant
IL40466A 1971-09-30 1972-09-29 Preparation of monohaloacetyl halides IL40466A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US18540271A 1971-09-30 1971-09-30
US18545071A 1971-09-30 1971-09-30
US18539671A 1971-09-30 1971-09-30
US19264771A 1971-10-26 1971-10-26
US27628172A 1972-07-31 1972-07-31
US27628272A 1972-07-31 1972-07-31
US00276280A US3812183A (en) 1971-09-30 1972-07-31 Preparation of monohaloacetyl halides
US27796172A 1972-08-04 1972-08-04

Publications (2)

Publication Number Publication Date
IL40466A0 IL40466A0 (en) 1972-11-28
IL40466A true IL40466A (en) 1976-04-30

Family

ID=27575105

Family Applications (1)

Application Number Title Priority Date Filing Date
IL40466A IL40466A (en) 1971-09-30 1972-09-29 Preparation of monohaloacetyl halides

Country Status (9)

Country Link
JP (1) JPS4840712A (en)
BE (1) BE789467A (en)
CA (1) CA985705A (en)
CH (1) CH576412A5 (en)
DK (1) DK153137C (en)
EG (1) EG11089A (en)
GB (1) GB1374323A (en)
IL (1) IL40466A (en)
IT (1) IT968446B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181578C (en) * 1973-07-16 1987-09-16 Monsanto Co PROCESS FOR THE PREPARATION OF MONOHALOGENACYL HALOGENIDES
JPS5831768Y2 (en) * 1977-09-06 1983-07-14 ゼネラルパッカ−株式会社 Automatic collection device for unopened or unfilled packaging bags in packaging equipment
JPS5442280A (en) * 1977-09-09 1979-04-04 Tenchi Kikai Kk Device for separating each predetermined quantity of linked wrapped articles in seal wrapping machine
JPS5460086A (en) * 1977-10-20 1979-05-15 Kunio Tousaka Method of preventing erroneous cutting of small bag continuous band
WO1998050339A1 (en) * 1997-05-07 1998-11-12 Idemitsu Petrochemical Co., Ltd. 1-ACETOXY-3-n-PROPOXYPROPANE AND ETHER ALCOHOL SOLVENTS

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862964A (en) * 1955-07-12 1958-12-02 Distillers Co Yeast Ltd Process for producing monochloro acetyl chloride

Also Published As

Publication number Publication date
DK153137B (en) 1988-06-20
CA985705A (en) 1976-03-16
IT968446B (en) 1974-03-20
CH576412A5 (en) 1976-06-15
DK153137C (en) 1988-12-19
BE789467A (en) 1973-03-29
IL40466A0 (en) 1972-11-28
JPS4840712A (en) 1973-06-15
GB1374323A (en) 1974-11-20
EG11089A (en) 1976-12-31

Similar Documents

Publication Publication Date Title
BE887056Q (en) STABILIZATION MOUNT FOR AN INTRAVENOUS CATHETER
ATE47412T1 (en) THICKENING AGENT BASED ON POLYAETHER DERIVATIVES.
IL40466A (en) Preparation of monohaloacetyl halides
NO140719C (en) PROCEDURE FOR THE PREPARATION OF ALKYLENE GLYCOL ALGINATES FROM TANG
ES449843A1 (en) 2{40 ,3,6{40 -Trichloro-4-cyano-4{40 -{8 N-(N{40 -(o-substituted-benzoyl))-ureido{9 -diphenyl ether insecticides
ES453784A1 (en) Unsymmetrical bis-carbamate compounds
GB1511541A (en) N-carbamoyloxyphenyl-carbamates their manufacture and their use as selective herbicides
IE782502L (en) Cephalosporins
ES413653A1 (en) Acrylonitrile polymers with anti-static properties
IE32364B1 (en) New digoxin ethers and ether-esters
CA1015171A (en) Impact mower with biased reel
GB944908A (en) Iodine phosphate ester complexes
FI54495B (en) PROCEDURE FOR THE FRAMSTATION OF ETCENT GRAM-POSITIVE BACTERIAL ACTIVE POLYPEPTIDES-ANTIBIOTICS BENAEMND GARDIMYCIN
BE817587A (en) AIR-COOLED REFRACTORY GUIDE TUBE
US3974191A (en) 16-Fluoro prostaglandin F1 analogs
JPS5211814A (en) Horizontal deflection unit
FR2173887A1 (en) Monohaloacetyl halides prodn - by halogenating ketenes in ester solvents, suppressing formation of polyhaloacetyl halides an
JPS5494549A (en) Stabilization of polyoxymethylene
GB1021010A (en) Derivatives of 2-oxo-2h-1,4-benzoxazine
GB977127A (en) Sulfite diesters of aromatic and aliphatic glycol ethers
JPS5374598A (en) Polyether-polyester compound and lubricant oil composition thereof
NL7507984A (en) Monohaloacetyl halides (herbicide inters) from ketenes - and halogen in an alkoxyalkyl ester solvent
GB1239472A (en)
NTAFOS et al. On uniquely decipherable codes with given compositions[Interim Report]
NL7212984A (en) Monohaloacetyl halides prodn - by halogenating ketenes in ester solvents, suppressing formation of polyhaloacetyl halides an