FI67541C - Foerfarande foer framstaellning av 2-hydroximetyl-3-hydroxi-6-(1-hydroxi-2-t-butylaminoetyl)pyridin och syraadditionssalter daerav genom hydrogenolys av motsvarande bensylidenacetal - Google Patents

Foerfarande foer framstaellning av 2-hydroximetyl-3-hydroxi-6-(1-hydroxi-2-t-butylaminoetyl)pyridin och syraadditionssalter daerav genom hydrogenolys av motsvarande bensylidenacetal Download PDF

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Publication number
FI67541C
FI67541C FI781329A FI781329A FI67541C FI 67541 C FI67541 C FI 67541C FI 781329 A FI781329 A FI 781329A FI 781329 A FI781329 A FI 781329A FI 67541 C FI67541 C FI 67541C
Authority
FI
Finland
Prior art keywords
hydroxy
butylaminoethyl
water
process according
acid
Prior art date
Application number
FI781329A
Other languages
English (en)
Finnish (fi)
Other versions
FI67541B (fi
FI781329A (fi
Inventor
Susumu Nakanishi
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of FI781329A publication Critical patent/FI781329A/fi
Application granted granted Critical
Publication of FI67541B publication Critical patent/FI67541B/fi
Publication of FI67541C publication Critical patent/FI67541C/fi

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/65One oxygen atom attached in position 3 or 5

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Claims (9)

1. Förfarande för framställning av 2-hydroximetyl-3-hydro-xi-6-(l-hydroxi-2-t-butylaminoetyl)pyridin och syraadditionssalter därav genom avlägsnande av bensylidenskyddsgruppen frän 2-fenyl- 6-(l-hydroxi-2-t-butylaminoetyl)-4H-pyrido/j3 ,2-d7-l,3-dioxin, kännetecknat därav, att den sistnämnda föreningen hydrogenolyseras i närvaro av en palladiumkatalysator och vatten i ett reaktionsinert lösningsmedel, och den erhällna basen even-tuellt därefter behandlas med ätminstone en stökiometrisk mängd syra.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att katalysatorn är palladium pä koi.
3. Förfarande enligt patentkravet 2, kännetecknat därav, att hydrogenolysen utförs i närvaro av ca 1 - 30 molekvivalenter vatten per mol 2-fenyl-6-(l-hydroxi-2-t-butyl-aminoetyl)-4H-pyrido£3,2-d7-l,3-dioxin. H. Förfarande enligt patentkravet 3,kännetecknat därav, att palladium pä koi används som 50 % vatten inne-hällande material.
5. Förfarande enligt patentkravet 4, kännetecknat därav, att hydrogenolysen utförsi rumstemperatur vid ett vätetryck av ca 103 - 1034 kPa.
6. Förfarande enligt patentkravet 5,kännetecknat därav, att lösningsmedlet är metanol.
7. Förfarande enligt patentkravet 5,kännetecknat därav, att den hydrogenolyserade reaktionsblandningen filtreras, koncentreras och koncentratet behandlas med ätminstone en stökiometrisk mängd, baserad pä närvarande 2-hydroximetyl-3-hydroxi-6-(l-hydroxi-2-t-butylaminoetyl)pyridin, av en farmaceu-tiskt godtagbar syra.
8. Förfarande enligt patentkravet 7, kännetecknat därav, att den farmaceutiskt godtagbara syran är ättiksyra.
9. Förfarande enligt patentkravet 1 för framställning av 2-hydroximetyl-3-hydroxi-6-(l-hydroxi-2-t-butylaminoetyl)pyridin-acetat genom avlägsnande av bensylidenskyddsgruppen frän 2- fenyl-6-(1-hydroxi-2-t-butylaminoetyl)-4H-pyrido/3 ,2-d7-1,3-dioxin, 11
FI781329A 1977-05-02 1978-04-28 Foerfarande foer framstaellning av 2-hydroximetyl-3-hydroxi-6-(1-hydroxi-2-t-butylaminoetyl)pyridin och syraadditionssalter daerav genom hydrogenolys av motsvarande bensylidenacetal FI67541C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US79281477A 1977-05-02 1977-05-02
US79281477 1977-05-02
US88369078A 1978-03-06 1978-03-06
US88369078 1978-03-06

Publications (3)

Publication Number Publication Date
FI781329A FI781329A (fi) 1978-11-03
FI67541B FI67541B (fi) 1984-12-31
FI67541C true FI67541C (fi) 1985-04-10

Family

ID=27121337

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781329A FI67541C (fi) 1977-05-02 1978-04-28 Foerfarande foer framstaellning av 2-hydroximetyl-3-hydroxi-6-(1-hydroxi-2-t-butylaminoetyl)pyridin och syraadditionssalter daerav genom hydrogenolys av motsvarande bensylidenacetal

Country Status (10)

Country Link
AR (1) AR214005A1 (sv)
CA (1) CA1074322A (sv)
CH (1) CH631445A5 (sv)
DK (1) DK152672C (sv)
FI (1) FI67541C (sv)
IT (1) IT1112681B (sv)
LU (1) LU79564A1 (sv)
NL (1) NL175412C (sv)
PT (1) PT67968B (sv)
YU (1) YU40330B (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9784726B2 (en) 2013-01-08 2017-10-10 Atrogi Ab Screening method, a kit, a method of treatment and a compound for use in a method of treatment
GB201714734D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201714745D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201714740D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB201714736D0 (en) 2017-09-13 2017-10-25 Atrogi Ab New compounds and uses
GB202205895D0 (en) 2022-04-22 2022-06-08 Atrogi Ab New medical uses
WO2024153813A1 (en) 2023-01-20 2024-07-25 Atrogi Ab Beta 2-adrenergic receptor agonists for treatment or prevention of muscle wasting
GB202302225D0 (en) 2023-02-16 2023-04-05 Atrogi Ab New medical uses
GB202303229D0 (en) 2023-03-06 2023-04-19 Atrogi Ab New medical uses

Also Published As

Publication number Publication date
NL7804582A (nl) 1978-11-06
CA1074322A (en) 1980-03-25
DK152672C (da) 1988-08-22
YU40330B (en) 1985-12-31
YU91378A (en) 1982-10-31
NL175412B (nl) 1984-06-01
PT67968A (en) 1978-05-01
DK188178A (da) 1978-11-03
IT7822863A0 (it) 1978-04-28
AR214005A1 (es) 1979-04-11
FI67541B (fi) 1984-12-31
LU79564A1 (fr) 1979-11-07
IT1112681B (it) 1986-01-20
CH631445A5 (en) 1982-08-13
PT67968B (en) 1979-11-14
FI781329A (fi) 1978-11-03
NL175412C (nl) 1984-11-01
DK152672B (da) 1988-04-11

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MA Patent expired
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MA Patent expired

Owner name: PFIZER INC.