CA1038869A - Method for the production of omega lactams and their precursors by formation and nitrosation of the cyclomethylene ketene-so2 adduct and products obtained thereby - Google Patents
Method for the production of omega lactams and their precursors by formation and nitrosation of the cyclomethylene ketene-so2 adduct and products obtained therebyInfo
- Publication number
- CA1038869A CA1038869A CA162,227A CA162227A CA1038869A CA 1038869 A CA1038869 A CA 1038869A CA 162227 A CA162227 A CA 162227A CA 1038869 A CA1038869 A CA 1038869A
- Authority
- CA
- Canada
- Prior art keywords
- adduct
- excess
- solution
- cpmk
- liquid
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/10—Preparation of lactams from cycloaliphatic compounds by simultaneous nitrosylation and rearrangement
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Pyrrole Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19882/72A IT954876B (it) | 1972-01-27 | 1972-01-27 | Procedimento per la produzione di omega lattami e relativi pre cursori mediante formazione e ni trosazione dell addotto ciclometi lenchetene s02 e prodotti relativi |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1038869A true CA1038869A (en) | 1978-09-19 |
Family
ID=11162033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA162,227A Expired CA1038869A (en) | 1972-01-27 | 1973-01-26 | Method for the production of omega lactams and their precursors by formation and nitrosation of the cyclomethylene ketene-so2 adduct and products obtained thereby |
Country Status (23)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102335573B (zh) * | 2010-07-23 | 2013-09-11 | 中国石油化工股份有限公司 | 一种己内酰胺苛化装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733317A (en) * | 1970-06-30 | 1973-05-15 | Snia Viscosa | Method for the preparation of omega-lactams and their lactamizable precursors |
-
0
- BE BE794509D patent/BE794509A/xx unknown
-
1972
- 1972-01-27 IT IT19882/72A patent/IT954876B/it active
-
1973
- 1973-01-09 ZA ZA730151A patent/ZA73151B/xx unknown
- 1973-01-16 CH CH58073A patent/CH587212A5/xx not_active IP Right Cessation
- 1973-01-22 US US00325563A patent/US3835124A/en not_active Expired - Lifetime
- 1973-01-23 AT AT55273*#A patent/AT329580B/de not_active IP Right Cessation
- 1973-01-24 TR TR17480A patent/TR17480A/xx unknown
- 1973-01-25 IN IN178/CAL/1973A patent/IN140469B/en unknown
- 1973-01-25 IL IL41400A patent/IL41400A/en unknown
- 1973-01-25 FR FR7302623A patent/FR2169246B1/fr not_active Expired
- 1973-01-25 GB GB391673A patent/GB1411061A/en not_active Expired
- 1973-01-25 DK DK41373AA patent/DK139964B/da unknown
- 1973-01-26 ES ES410999A patent/ES410999A1/es not_active Expired
- 1973-01-26 SU SU731878900A patent/SU604484A3/ru active
- 1973-01-26 BR BR73603A patent/BR7300603D0/pt unknown
- 1973-01-26 DD DD168467A patent/DD105613A1/xx unknown
- 1973-01-26 DE DE2303821A patent/DE2303821A1/de active Pending
- 1973-01-26 JP JP48010386A patent/JPS4881884A/ja active Pending
- 1973-01-26 NL NL7301166A patent/NL7301166A/xx not_active Application Discontinuation
- 1973-01-26 IE IE133/73A patent/IE37149B1/xx unknown
- 1973-01-26 CA CA162,227A patent/CA1038869A/en not_active Expired
- 1973-01-29 AR AR246335A patent/AR196751A1/es active
-
1976
- 1976-02-26 SE SE7602498A patent/SE411544B/xx unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2628889A (en) | Preparation of hydroxylamine | |
CA1038869A (en) | Method for the production of omega lactams and their precursors by formation and nitrosation of the cyclomethylene ketene-so2 adduct and products obtained thereby | |
US2562432A (en) | Preparation of sulfuryl chlorofluoride | |
JPS60155507A (ja) | 窒化ほう素の連続的製造方法 | |
GB2107705A (en) | Process for the preparation of urea | |
CA1066700A (en) | Process for preparing lactams | |
US3197273A (en) | Process for the continuous production of cyanogen chloride | |
US20050014964A1 (en) | Method of producing polycarbosilane using zeolite as catalyst | |
CN112094203B (zh) | 一种1-氰基-2-丙烯基乙酸酯的制备方法 | |
JPS6230985B2 (US20110232667A1-20110929-C00004.png) | ||
US4647661A (en) | Method of preparing ω-lactams, in particular caprolactam | |
RU2097321C1 (ru) | Способ получения гексафторсиликата аммония | |
US4208390A (en) | Process for the recovery of ammonia and sulphur dioxide from a contaminated ammonium salt of sulphuric acid | |
US4055584A (en) | Process for the production of beta-chloroethyltrichlorosilane | |
CA1067519A (en) | Process for preparing diphenylamine | |
JPS63503063A (ja) | メチルイソシアネートの製造方法 | |
US3733317A (en) | Method for the preparation of omega-lactams and their lactamizable precursors | |
JPS5829305B2 (ja) | マレイミドノ セイゾウホウ | |
US4283344A (en) | Process for producing 1,1,3,3-tetrafluoro-1,3-dihydro-isobenzofuran | |
US2725280A (en) | Process for manufacture of strong dinitrogen tetroxide | |
US3146068A (en) | Preparation of sulfuryl fluoride | |
US4260593A (en) | Process for the manufacture of ammonium sulfamate | |
US3914313A (en) | Method for the production of cyclopentamethylene ketene | |
SU825520A1 (ru) | Способ получения n,n -метафенипендималеимида | |
SU438244A1 (ru) | Способ получени п-терфенила |