NO904336D0 - Fremgangsmaate for fremstilling av piperazinoner for anvendelse som svoveldioksyd-absorberende midler. - Google Patents

Fremgangsmaate for fremstilling av piperazinoner for anvendelse som svoveldioksyd-absorberende midler.

Info

Publication number
NO904336D0
NO904336D0 NO904336A NO904336A NO904336D0 NO 904336 D0 NO904336 D0 NO 904336D0 NO 904336 A NO904336 A NO 904336A NO 904336 A NO904336 A NO 904336A NO 904336 D0 NO904336 D0 NO 904336D0
Authority
NO
Norway
Prior art keywords
piperazinones
procedure
preparation
sulfur dioxide
dioxide absorbent
Prior art date
Application number
NO904336A
Other languages
English (en)
Other versions
NO904336L (no
Inventor
Steven H Christiansen
Dane Chang
David A Wilson
Original Assignee
Dow Chemical 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
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of NO904336D0 publication Critical patent/NO904336D0/no
Publication of NO904336L publication Critical patent/NO904336L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
    • C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
  • Hydrogenated Pyridines (AREA)
NO90904336A 1989-10-06 1990-10-05 Fremgangsmaate for fremstilling av piperazinoner for anvendelse som svoveldioksyd-absorberende midler. NO904336L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/418,292 US4980471A (en) 1989-10-06 1989-10-06 Preparation of piperazinones for use as sulfur dioxide absorbents

Publications (2)

Publication Number Publication Date
NO904336D0 true NO904336D0 (no) 1990-10-05
NO904336L NO904336L (no) 1991-04-08

Family

ID=23657506

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90904336A NO904336L (no) 1989-10-06 1990-10-05 Fremgangsmaate for fremstilling av piperazinoner for anvendelse som svoveldioksyd-absorberende midler.

Country Status (12)

Country Link
US (1) US4980471A (no)
EP (1) EP0421794A3 (no)
JP (1) JPH03135966A (no)
CN (1) CN1050870A (no)
AU (1) AU6385390A (no)
BR (1) BR9005109A (no)
CA (1) CA2027107A1 (no)
NO (1) NO904336L (no)
RO (1) RO106738B1 (no)
RU (1) RU2036910C1 (no)
YU (1) YU187490A (no)
ZA (1) ZA907987B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2049244A1 (en) * 1990-08-16 1992-02-17 Steven H. Christiansen Process for absorption of sulfur compounds from fluids using heterocyclic compounds having at least one ring nitrogen atom
US5108723A (en) * 1990-08-16 1992-04-28 The Dow Chemical Company Process for absorption of sulfur compounds from fluids
US5208363A (en) * 1990-10-15 1993-05-04 The Dow Chemical Company Preparation of aminonitriles
US5191081A (en) * 1991-12-12 1993-03-02 W. R. Grace & Co.-Conn. 1-cyanomethyl-4-carboxymethyl-3-ketopiperazine, salts thereof and process for their preparation
US6461872B1 (en) * 1999-11-17 2002-10-08 General Electric Company Poly(1,4-ethylene-2-piperazone) composition, method for production of a poly(1,4-ethylene-2-piperazone) composition, TCE-detecting method and sensor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649450A (en) * 1952-02-08 1953-08-18 Rohm & Hass Company Preparation of 1,4-dialkyl-2-ketopiperazines
US2700668A (en) * 1952-02-08 1955-01-25 Rohm & Haas Preparation of ketopiperazines
US2633467A (en) * 1952-02-08 1953-03-31 Rohm & Haas N-hydroxyalkyl-2-ketopiperazines
US4167512A (en) * 1977-09-21 1979-09-11 The B. F. Goodrich Company Synthesis of 2-keto-1,4-diazacycloalkanes
US4170650A (en) * 1978-05-22 1979-10-09 The Dow Chemical Company Oxopiperazinium salts, their preparation and their use
DE3119077A1 (de) * 1981-05-14 1982-12-02 Basf Ag, 6700 Ludwigshafen Heterocyclische dihalogenacetmide, verfahren zu ihrer herstellung und herbizide mittel, die acetanilide als herbizide wirkstoffe und diese dihalogenacetamine als antagonistische mittel enthalten
US4530704A (en) * 1983-12-19 1985-07-23 The Dow Chemical Company Selective absorption of SO2 from gases containing the same
US4767860A (en) * 1986-10-14 1988-08-30 The Dow Chemical Company Preparation of N-substituted piperazinones
US4814443A (en) * 1987-08-13 1989-03-21 The Dow Chemical Company Preparation of hydroxyalkylpiperazinones by reacting glyoxal with hydroxyalkyldiamines
US4783327A (en) * 1987-08-13 1988-11-08 The Dow Chemical Company Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones

Also Published As

Publication number Publication date
EP0421794A2 (en) 1991-04-10
JPH03135966A (ja) 1991-06-10
RU2036910C1 (ru) 1995-06-09
CN1050870A (zh) 1991-04-24
YU187490A (sh) 1992-09-07
NO904336L (no) 1991-04-08
CA2027107A1 (en) 1991-04-07
AU6385390A (en) 1991-05-30
RO106738B1 (ro) 1993-06-30
EP0421794A3 (en) 1991-12-11
ZA907987B (en) 1992-06-24
US4980471A (en) 1990-12-25
BR9005109A (pt) 1991-09-17

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