MY7700322A - Production of isocyanates from esters of carbamic acids - Google Patents
Production of isocyanates from esters of carbamic acidsInfo
- Publication number
- MY7700322A MY7700322A MY1977322A MY7700322A MY7700322A MY 7700322 A MY7700322 A MY 7700322A MY 1977322 A MY1977322 A MY 1977322A MY 7700322 A MY7700322 A MY 7700322A MY 7700322 A MY7700322 A MY 7700322A
- Authority
- MY
- Malaysia
- Prior art keywords
- radicals
- carbon atoms
- mono
- rings
- ester
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35730173A | 1973-05-04 | 1973-05-04 | |
US44929174A | 1974-03-08 | 1974-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY7700322A true MY7700322A (en) | 1977-12-31 |
Family
ID=26999595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MY1977322A MY7700322A (en) | 1973-05-04 | 1977-12-31 | Production of isocyanates from esters of carbamic acids |
Country Status (21)
Country | Link |
---|---|
JP (1) | JPS5030832A (xx) |
AR (1) | AR202301A1 (xx) |
AU (1) | AU477106B2 (xx) |
CA (1) | CA1023379A (xx) |
CH (1) | CH598199A5 (xx) |
DD (1) | DD112990A5 (xx) |
DE (1) | DE2421503B2 (xx) |
ES (1) | ES425950A1 (xx) |
FR (1) | FR2228056B1 (xx) |
GB (1) | GB1458595A (xx) |
HU (1) | HU171538B (xx) |
IL (1) | IL44694A (xx) |
IN (1) | IN141148B (xx) |
LU (1) | LU69986A1 (xx) |
MY (1) | MY7700322A (xx) |
NL (1) | NL7405881A (xx) |
NO (1) | NO140794C (xx) |
PH (1) | PH11683A (xx) |
RO (1) | RO63097A (xx) |
SE (1) | SE419539B (xx) |
YU (1) | YU120074A (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219624A (en) * | 1975-08-07 | 1977-02-15 | Mitsui Toatsu Chem Inc | Process for preparation of isocyanates |
JPS5488222A (en) * | 1977-12-20 | 1979-07-13 | Mitsubishi Chem Ind Ltd | Preparation of isocyanate from carbamate |
DE2819826A1 (de) | 1978-05-05 | 1979-11-08 | Bayer Ag | Verfahren zur herstellung von urethanen |
JPS5576484U (xx) * | 1978-11-13 | 1980-05-26 | ||
DE3009489A1 (de) | 1980-03-12 | 1981-09-17 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von urethanen |
US4487713A (en) * | 1981-06-26 | 1984-12-11 | Exxon Research & Engineering Co. | Production of isocyanates from esters of aromatic carbamic acids (urethanes) |
JPH02231461A (ja) * | 1989-03-06 | 1990-09-13 | Mitsubishi Gas Chem Co Inc | キシレンジイソシアネートの製造方法 |
DE4141402A1 (de) * | 1991-12-16 | 1993-06-17 | Bayer Ag | Verfahren zur herstellung von hochreinen aromatischen di- und/oder polyurethanen |
DE10209095A1 (de) | 2002-03-01 | 2003-09-11 | Basf Ag | Verfahren zur Herstellung von Isocyanaten |
HUE029005T2 (en) * | 2009-12-24 | 2017-02-28 | Mitsui Chemicals Inc | A method for treating isocyanate residue and a method for treating carbonate |
-
1974
- 1974-04-02 CA CA196,577A patent/CA1023379A/en not_active Expired
- 1974-04-11 AU AU67801/74A patent/AU477106B2/en not_active Expired
- 1974-04-16 SE SE7405108A patent/SE419539B/xx unknown
- 1974-04-23 IL IL44694A patent/IL44694A/xx unknown
- 1974-04-24 IN IN927/CAL/1974A patent/IN141148B/en unknown
- 1974-04-24 PH PH15776A patent/PH11683A/en unknown
- 1974-04-29 YU YU01200/74A patent/YU120074A/xx unknown
- 1974-05-02 NL NL7405881A patent/NL7405881A/xx unknown
- 1974-05-03 DD DD178284A patent/DD112990A5/xx unknown
- 1974-05-03 AR AR253577A patent/AR202301A1/es active
- 1974-05-03 CH CH608974A patent/CH598199A5/xx not_active IP Right Cessation
- 1974-05-03 DE DE2421503A patent/DE2421503B2/de not_active Ceased
- 1974-05-03 GB GB1957874A patent/GB1458595A/en not_active Expired
- 1974-05-03 HU HU74AA00000769A patent/HU171538B/hu unknown
- 1974-05-03 NO NO741607A patent/NO140794C/no unknown
- 1974-05-03 FR FR747415446A patent/FR2228056B1/fr not_active Expired
- 1974-05-03 RO RO7400078670A patent/RO63097A/ro unknown
- 1974-05-03 LU LU69986A patent/LU69986A1/xx unknown
- 1974-05-03 ES ES425950A patent/ES425950A1/es not_active Expired
- 1974-05-04 JP JP49050194A patent/JPS5030832A/ja active Pending
-
1977
- 1977-12-31 MY MY1977322A patent/MY7700322A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IL44694A0 (en) | 1974-06-30 |
SE419539B (sv) | 1981-08-10 |
ES425950A1 (es) | 1976-09-16 |
NO140794B (no) | 1979-08-06 |
FR2228056B1 (xx) | 1979-02-09 |
DD112990A5 (xx) | 1975-05-12 |
DE2421503A1 (de) | 1974-11-21 |
NO140794C (no) | 1979-11-14 |
RO63097A (fr) | 1978-06-15 |
DE2421503B2 (de) | 1978-12-21 |
HU171538B (hu) | 1978-02-28 |
PH11683A (en) | 1978-05-19 |
CH598199A5 (xx) | 1978-04-28 |
CA1023379A (en) | 1977-12-27 |
LU69986A1 (xx) | 1974-11-28 |
YU120074A (en) | 1982-06-18 |
AU6780174A (en) | 1975-10-16 |
IL44694A (en) | 1978-06-15 |
FR2228056A1 (xx) | 1974-11-29 |
NL7405881A (xx) | 1974-11-06 |
GB1458595A (en) | 1976-12-15 |
AR202301A1 (es) | 1975-05-30 |
AU477106B2 (en) | 1976-10-14 |
IN141148B (xx) | 1977-01-22 |
NO741607L (no) | 1974-11-05 |
JPS5030832A (xx) | 1975-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY7700322A (en) | Production of isocyanates from esters of carbamic acids | |
ES438494A1 (es) | Un metodo mejorado para producir isocianatos. | |
GB1359415A (en) | Process for making aryloxy derivatives of aromatic diesters and dinitriles and products derived therefrom | |
ES445489A1 (es) | Procedimiento para la preparacion de nuevos compuestos de macrolida. | |
GB1389217A (en) | Phenylglycine derivatives | |
GB921801A (en) | Dithiophosphoric acid esters | |
GB1429454A (en) | Process for produicing alpha-sulphophenylacetic acid derivative and certain alpha-sulphophenylacetic acid derivatives | |
IT1228972B (it) | Procedimento per la preparazione di acido 3 alfa 7 beta diidrossicolanico di elevata purezza. | |
ES483367A1 (es) | Procedimiento para la obtencion de esteres de glicidilo de acidos policarboxilicos aromaticos | |
GB913415A (en) | Alkoxyphenyl and alkenyloxyphenyl esters of n-methylcarbamic acid and method of preparation | |
GB881977A (en) | Thiophosphonic acid esters | |
GB864632A (en) | Thionophosphonic acid esters | |
GB1458695A (en) | Production of hydroxy aromatic ketones | |
GB1232317A (xx) | ||
GB822476A (en) | Thionophosphoric acid esters and a process for their production | |
ES8206522A1 (es) | Un procedimiento para la preparacion de esteres del acido apovincaminico racemico u opticamente activos | |
IE37905B1 (en) | A process for producing 7-acylamino-3-methyl-3-cephem-4-carboxylic acids | |
GB1210269A (en) | Production of 4,6-pyrimidyl diethers and dithioethers | |
SU1616103A1 (ru) | Способ получения 0-алкил-s-[(n-ацил-n-карбалкоксиалкил) аминометил] метилдитиофосфонатов | |
ES483366A1 (es) | Procedimiento para la obtencion de esteres de glicidilo de acidos policarboxilicos cicloalifaticos | |
GB1063703A (en) | Improvements in or relating to combating undesirable plant growth and new cyclotriphosphazatriene derivatives therefor | |
GB935398A (en) | Process for preparing esters of alkyl nitrophenols useful as fungicides | |
GB896956A (en) | Phosphonic acid esters | |
GB1478070A (en) | Esters of o-alkyloxycarbonyl and o-alkylthiocarbonyl- naphthohydroxamic acids their preparation and their miticidal compositions comprising them | |
GB1432308A (en) | Process for the preparation of acetone dicarboxylic acid and derivatives thereof and of citric acid semiconductor structures |