BG29136A3 - Method of obtaining of 6, 6'- oxybis (4- halo- 2h- pyran- 3(6h)- on - Google Patents

Method of obtaining of 6, 6'- oxybis (4- halo- 2h- pyran- 3(6h)- on

Info

Publication number
BG29136A3
BG29136A3 BG7942608A BG4260877A BG29136A3 BG 29136 A3 BG29136 A3 BG 29136A3 BG 7942608 A BG7942608 A BG 7942608A BG 4260877 A BG4260877 A BG 4260877A BG 29136 A3 BG29136 A3 BG 29136A3
Authority
BG
Bulgaria
Prior art keywords
oxybis
pyran
halo
obtaining
Prior art date
Application number
BG7942608A
Other languages
Bulgarian (bg)
English (en)
Inventor
Brennan
Daniel P Brannegan
Weeks
Donald E Kuhla
Original Assignee
Pfizer Inc,Us
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
Priority claimed from US05/721,885 external-priority patent/US4082717A/en
Application filed by Pfizer Inc,Us filed Critical Pfizer Inc,Us
Publication of BG29136A3 publication Critical patent/BG29136A3/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol
BG7942608A 1976-08-02 1977-07-14 Method of obtaining of 6, 6'- oxybis (4- halo- 2h- pyran- 3(6h)- on BG29136A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71090176A 1976-08-02 1976-08-02
US05/721,885 US4082717A (en) 1976-08-02 1976-09-09 Preparation of gamma-pyrones

Publications (1)

Publication Number Publication Date
BG29136A3 true BG29136A3 (en) 1980-09-15

Family

ID=27108548

Family Applications (4)

Application Number Title Priority Date Filing Date
BG7942608A BG29136A3 (en) 1976-08-02 1977-07-14 Method of obtaining of 6, 6'- oxybis (4- halo- 2h- pyran- 3(6h)- on
BG7942607A BG28989A4 (en) 1976-08-02 1977-07-14 Method of obtaining of 6- substituated dihydropyrans
BG7736892A BG28849A3 (en) 1976-08-02 1977-07-14 Method of obtaining of gamapyrons
BG7742606A BG28988A4 (en) 1976-08-02 1977-07-14 Method of obtaining of 4- halo- dihydropropyrans

Family Applications After (3)

Application Number Title Priority Date Filing Date
BG7942607A BG28989A4 (en) 1976-08-02 1977-07-14 Method of obtaining of 6- substituated dihydropyrans
BG7736892A BG28849A3 (en) 1976-08-02 1977-07-14 Method of obtaining of gamapyrons
BG7742606A BG28988A4 (en) 1976-08-02 1977-07-14 Method of obtaining of 4- halo- dihydropropyrans

Country Status (36)

Country Link
JP (7) JPS5318578A (ja)
AR (1) AR216080A1 (ja)
AT (3) AT362790B (ja)
BE (1) BE855965A (ja)
BG (4) BG29136A3 (ja)
BR (1) BR7703970A (ja)
CA (3) CA1095921A (ja)
CH (4) CH625798A5 (ja)
CS (3) CS203921B2 (ja)
DD (1) DD132494A5 (ja)
DE (3) DE2760220C2 (ja)
DK (4) DK153483C (ja)
EG (1) EG13080A (ja)
ES (5) ES459994A1 (ja)
FI (6) FI72722C (ja)
FR (1) FR2372821A1 (ja)
GB (5) GB1538375A (ja)
GR (1) GR68938B (ja)
HK (5) HK30781A (ja)
HU (4) HU185686B (ja)
IE (5) IE45643B1 (ja)
IT (1) IT1106258B (ja)
LU (1) LU77600A1 (ja)
MX (1) MX4597E (ja)
MY (3) MY8100267A (ja)
NL (5) NL170955C (ja)
NO (7) NO150561C (ja)
NZ (1) NZ184342A (ja)
PH (5) PH13557A (ja)
PL (4) PL115586B1 (ja)
PT (1) PT66694B (ja)
RO (4) RO78952A (ja)
SE (6) SE433079B (ja)
SU (2) SU955859A3 (ja)
TR (1) TR19652A (ja)
YU (4) YU40166B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1095921A (en) * 1976-08-02 1981-02-17 Thomas M. Brennan Preparation of gamma-pyrones
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
FR2402654A1 (fr) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Nouveaux derives de x tetrahydropyrannone(5)
JPS5741226U (ja) * 1980-08-20 1982-03-05
JPS59135008U (ja) * 1983-02-28 1984-09-10 松下電工株式会社 分電盤装置
JPS6050245A (ja) * 1983-08-29 1985-03-19 Nissan Motor Co Ltd 内燃機関の燃料噴射装置
JPH0226945Y2 (ja) * 1985-09-11 1990-07-20
JP2586607B2 (ja) * 1987-10-30 1997-03-05 日産化学工業株式会社 光学活性アルコールの製造法
PE20081596A1 (es) 2007-03-28 2009-02-05 Apotex Technologies Inc Derivados fluorinados de deferiprona
CA2722393A1 (en) 2008-04-25 2009-10-29 Apotex Technologies Inc. Liquid formulation for deferiprone with palatable taste
EA020976B1 (ru) 2009-07-03 2015-03-31 Апотекс Текнолоджиз Инк. Фторированные производные 3-гидроксипиридин-4-онов и способы их использования
WO2017168309A1 (en) * 2016-03-29 2017-10-05 Dr. Reddy’S Laboratories Limited Process for preparation of eribulin and intermediates thereof
CN108609456B (zh) * 2016-12-13 2021-03-12 奥的斯电梯公司 可打开扩展面板及具有其的电梯吊顶，轿厢和系统
CN111606879A (zh) * 2020-05-25 2020-09-01 安徽金禾实业股份有限公司 一锅法制备2-羟甲基-3-烷氧基-4h-吡喃-4-酮的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491122A (en) * 1966-09-14 1970-01-20 Monsanto Co Synthesis of 4-pyrones
US3547912A (en) * 1968-07-29 1970-12-15 American Home Prod Derivatives of 2h-pyran-3(6h)-ones and preparation thereof
JPS5145565B1 (ja) * 1968-10-12 1976-12-04
US3621063A (en) * 1968-12-24 1971-11-16 Monsanto Co Unsaturated acyclic ketones
US3832357A (en) * 1971-05-26 1974-08-27 Daicel Ltd Process for preparation of 3-hydroxy-2-alkyl-4-pyrone
JPS5212166A (en) * 1975-07-17 1977-01-29 Tatsuya Shono Process for preparation of 4-pyron derivatives
IE42789B1 (en) * 1975-08-28 1980-10-22 Pfizer Preparation of gamma-pyrones
CA1095921A (en) * 1976-08-02 1981-02-17 Thomas M. Brennan Preparation of gamma-pyrones

Also Published As

Publication number Publication date
NO151365B (no) 1984-12-17
DK153401B (da) 1988-07-11
IE790584L (en) 1978-02-02
CS203923B2 (en) 1981-03-31
DE2728499C2 (de) 1986-04-03
HK30781A (en) 1981-07-10
NO150042B (no) 1984-04-30
NL182477B (nl) 1987-10-16
NL170955C (nl) 1983-01-17
SE445042B (sv) 1986-05-26
DK326086A (da) 1986-07-09
BG28988A4 (en) 1980-08-15
YU40166B (en) 1985-08-31
PL199798A1 (pl) 1979-08-27
NO150560B (no) 1984-07-30
NO150561B (no) 1984-07-30
BG28989A4 (en) 1980-08-15
FI831704A0 (fi) 1983-05-16
DK325986A (da) 1986-07-09
PL215008A1 (pl) 1979-12-17
CH626358A5 (en) 1981-11-13
FI73424C (fi) 1987-10-09
DK154079B (da) 1988-10-10
DE2760221C2 (ja) 1989-10-05
AT364356B (de) 1981-10-12
CA1095921A (en) 1981-02-17
IE45641B1 (en) 1982-10-20
CH625798A5 (en) 1981-10-15
DK325986D0 (da) 1986-07-09
AT362790B (de) 1981-06-10
TR19652A (tr) 1979-09-17
JPS5436267A (en) 1979-03-16
LU77600A1 (ja) 1978-02-01
YU270382A (en) 1983-10-31
ATA440477A (de) 1980-11-15
NL182805C (nl) 1988-05-16
GB1538372A (en) 1979-01-17
NO150561C (no) 1984-11-07
IE45642B1 (en) 1982-10-20
HU180040B (en) 1983-01-28
PH15185A (en) 1982-09-10
JPS5618597B2 (ja) 1981-04-30
SE8200521L (sv) 1982-01-29
YU43190B (en) 1989-04-30
RO78951A2 (ro) 1982-04-12
JPS5618596B2 (ja) 1981-04-30
NO150559C (no) 1984-11-07
RO74367A (ro) 1981-11-24
FI72720B (fi) 1987-03-31
CS203921B2 (en) 1981-03-31
DK326186D0 (da) 1986-07-09
DD132494A5 (de) 1978-10-04
ES459994A1 (es) 1978-11-16
FI831703A0 (fi) 1983-05-16
GB1538375A (en) 1979-01-17
PL215007A1 (pl) 1979-12-17
DK326086D0 (da) 1986-07-09
DK153484C (da) 1988-11-28
FI831703L (fi) 1983-05-16
PT66694B (en) 1978-11-17
NO150043C (no) 1984-08-15
RO78953A (ro) 1982-04-12
DK153401C (da) 1988-11-28
YU274782A (en) 1983-12-31
YU166383A (en) 1986-02-28
DK276177A (da) 1978-02-03
PH14625A (en) 1981-10-12
FI72119C (fi) 1987-04-13
NL182805B (nl) 1987-12-16
NO151365C (no) 1985-03-27
NL182476B (nl) 1987-10-16
PL215006A1 (pl) 1979-12-17
SE452616B (sv) 1987-12-07
HU186026B (en) 1985-05-28
FR2372821B1 (ja) 1980-10-17
PH13926A (en) 1980-11-04
FI72119B (fi) 1986-12-31
CA1117541A (en) 1982-02-02
NL7706811A (nl) 1978-02-06
NO150559B (no) 1984-07-30
FI831702A0 (fi) 1983-05-16
GB1538373A (en) 1979-01-17
SU1015826A3 (ru) 1983-04-30
JPS5436269A (en) 1979-03-16
FI72723B (fi) 1987-03-31
CS203922B2 (en) 1981-03-31
JPS5814433B2 (ja) 1983-03-18
NL8105538A (nl) 1982-04-01
YU42613B (en) 1988-10-31
NO821850L (no) 1978-02-03
JPS5436271A (en) 1979-03-16
NO772193L (no) 1978-02-03
IT1106258B (it) 1985-11-11
NL182477C (nl) 1988-03-16
EG13080A (en) 1981-03-31
DK154079C (da) 1989-02-27
IE790587L (en) 1978-02-02
SE445041B (sv) 1986-05-26
SE7707035L (sv) 1978-02-03
IE45644B1 (en) 1982-10-20
FI73424B (fi) 1987-06-30
SU955859A3 (ru) 1982-08-30
NO150043B (no) 1984-04-30
BR7703970A (pt) 1978-07-04
SE8200519L (sv) 1982-01-29
ES470743A1 (es) 1979-01-16
FI831704L (fi) 1983-05-16
HK30481A (en) 1981-07-10
FI72722C (fi) 1987-07-10
NO821848L (no) 1978-02-03
NO821851L (no) 1978-02-03
MY8100287A (en) 1981-12-31
HK30581A (en) 1981-07-10
PH13557A (en) 1980-06-26
HU185687B (en) 1985-03-28
BE855965A (fr) 1977-12-21
IE45643B1 (en) 1982-10-20
DK153483B (da) 1988-07-18
BG28849A3 (en) 1980-07-15
FI831700A0 (fi) 1983-05-16
MY8100262A (en) 1981-12-31
JPS5729034B2 (ja) 1982-06-19
FI72721C (fi) 1987-07-10
MY8100267A (en) 1981-12-31
JPS5318578A (en) 1978-02-20
JPS5436268A (en) 1979-03-16
PH13874A (en) 1980-10-24
AR216080A1 (es) 1979-11-30
FI831702L (fi) 1983-05-16
PL115497B1 (en) 1981-04-30
NO150042C (no) 1984-08-15
YU146977A (en) 1983-06-30
GR68938B (ja) 1982-03-29
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
NL182478B (nl) 1987-10-16
PT66694A (en) 1977-07-01
ES470745A1 (es) 1979-01-16
NL8105540A (nl) 1982-04-01
SE444564B (sv) 1986-04-21
NO834236L (no) 1978-02-03
FI72722B (fi) 1987-03-31
IE45641L (en) 1978-02-02
NL182476C (nl) 1988-03-16
IE790586L (en) 1978-02-02
FI771934A (ja) 1978-02-03
NL170955B (nl) 1982-08-16
NL8105537A (nl) 1982-04-01
AT363470B (de) 1981-08-10
FI72723C (fi) 1987-07-10
AU2601777A (en) 1978-09-21
IE45645B1 (en) 1982-10-20
HK30381A (en) 1981-07-10
ATA124480A (de) 1981-01-15
ES470746A1 (es) 1979-01-16
HK30681A (en) 1981-07-10
NO821849L (no) 1978-02-03
MX4597E (es) 1982-06-25
JPS5436266A (en) 1979-03-16
CH626357A5 (en) 1981-11-13
IE790585L (en) 1978-02-02
SE444565B (sv) 1986-04-21
DK153484B (da) 1988-07-18
FI831701A0 (fi) 1983-05-16
SE8200522L (sv) 1982-01-29
FI831700L (fi) 1983-05-16
DK326186A (da) 1986-07-09
NL182478C (nl) 1988-03-16
JPS5420500B2 (ja) 1979-07-23
DE2760220C2 (ja) 1987-08-20
FR2372821A1 (fr) 1978-06-30
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
NO150560C (no) 1984-11-07
FI72720C (fi) 1987-07-10
DK153483C (da) 1988-11-28
CA1110254A (en) 1981-10-06
PL115586B1 (en) 1981-04-30
NZ184342A (en) 1978-09-25
FI831701L (fi) 1983-05-16
FI72721B (fi) 1987-03-31
GB1538371A (en) 1979-01-17
NO821847L (no) 1978-02-03
NL8105539A (nl) 1982-04-01
CH625235A5 (en) 1981-09-15
PL115496B1 (en) 1981-04-30
SE8200520L (sv) 1982-01-29
SE8200518L (sv) 1982-01-29
ES470744A1 (es) 1979-01-16
RO78952A (ro) 1982-04-12
DE2728499A1 (de) 1978-02-09
ATA124380A (de) 1981-03-15

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