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 thereby

Info

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
Application number
CA162,227A
Other languages
English (en)
French (fr)
Other versions
CA162227S (en
Inventor
Luigi Giuffre
Giancarlo Sioli
Roberto Mattone
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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
Application filed by SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Application granted granted Critical
Publication of CA1038869A publication Critical patent/CA1038869A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02Preparation of lactams
    • C07D201/10Preparation 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)
  • Hydrogenated Pyridines (AREA)
  • Pyrrole Compounds (AREA)
CA162,227A 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 Expired CA1038869A (en)

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)

Country Link
US (1) US3835124A (ref)
JP (1) JPS4881884A (ref)
AR (1) AR196751A1 (ref)
AT (1) AT329580B (ref)
BE (1) BE794509A (ref)
BR (1) BR7300603D0 (ref)
CA (1) CA1038869A (ref)
CH (1) CH587212A5 (ref)
DD (1) DD105613A1 (ref)
DE (1) DE2303821A1 (ref)
DK (1) DK139964B (ref)
ES (1) ES410999A1 (ref)
FR (1) FR2169246B1 (ref)
GB (1) GB1411061A (ref)
IE (1) IE37149B1 (ref)
IL (1) IL41400A (ref)
IN (1) IN140469B (ref)
IT (1) IT954876B (ref)
NL (1) NL7301166A (ref)
SE (1) SE411544B (ref)
SU (1) SU604484A3 (ref)
TR (1) TR17480A (ref)
ZA (1) ZA73151B (ref)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
SE411544B (sv) 1980-01-14
DE2303821A1 (de) 1973-08-02
CH587212A5 (ref) 1977-04-29
US3835124A (en) 1974-09-10
IN140469B (ref) 1976-11-13
IE37149B1 (en) 1977-05-11
GB1411061A (en) 1975-10-22
ATA55273A (de) 1975-08-15
IL41400A (en) 1976-02-29
FR2169246B1 (ref) 1976-05-14
IL41400A0 (en) 1973-03-30
DK139964B (da) 1979-05-28
DD105613A1 (ref) 1974-05-05
IE37149L (en) 1973-07-27
JPS4881884A (ref) 1973-11-01
IT954876B (it) 1973-09-15
BE794509A (fr) 1973-07-25
SE7602498L (sv) 1976-02-26
AU5098273A (en) 1974-07-11
AR196751A1 (es) 1974-02-19
ZA73151B (en) 1973-09-26
AT329580B (de) 1976-05-25
FR2169246A1 (ref) 1973-09-07
NL7301166A (ref) 1973-07-31
BR7300603D0 (pt) 1973-09-13
ES410999A1 (es) 1975-12-01
DK139964C (ref) 1979-10-22
SU604484A3 (ru) 1978-04-25
TR17480A (tr) 1975-07-23

Similar Documents

Publication Publication Date Title
US3835124A (en) Method for the production of caprolactam and its precursors by formation and nitrosation of the cyclopentamethylene, ketene-so{11 {11 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
CA1066700A (en) Process for preparing lactams
US7202376B2 (en) Method of producing polycarbosilane using zeolite as catalyst
JPH11240715A (ja) 水和三フッ化ホウ素から三フッ化ホウ素と硫酸を製造する方法
US4647661A (en) Method of preparing ω-lactams, in particular caprolactam
US4208390A (en) Process for the recovery of ammonia and sulphur dioxide from a contaminated ammonium salt of sulphuric acid
US4081442A (en) Process for the recovery of ε-caprolactam from a reaction mixture of ε-caprolactam and sulphuric acid
HU201542B (en) Process for production of ethilene-sulphat
JP2517854B2 (ja) 繊維状ケイ素化合物の連続式製造方法
US2994583A (en) Preparation of metal azides
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
US3979455A (en) Preparation of dioxyimino-cycloalkanones and related intermediates
SU825520A1 (ru) Способ получения n,n -метафенипендималеимида
JPH0710835B2 (ja) N−アルキル置換ラクタムの製造方法
SU1583417A1 (ru) Способ получени N-карбамоил-3(5)-метилпиразола
US4260593A (en) Process for the manufacture of ammonium sulfamate
JP3584324B2 (ja) シクロアルカノンオキシムからラクタムを製造する方法
US3914313A (en) Method for the production of cyclopentamethylene ketene
SU609284A1 (ru) Способ получени 5-нитро-8-оксихинолина