PT66694B - Process for the preparation of gamma-pyrones - Google Patents

Process for the preparation of gamma-pyrones

Info

Publication number
PT66694B
PT66694B PT66694A PT6669477A PT66694B PT 66694 B PT66694 B PT 66694B PT 66694 A PT66694 A PT 66694A PT 6669477 A PT6669477 A PT 6669477A PT 66694 B PT66694 B PT 66694B
Authority
PT
Portugal
Prior art keywords
pyrones
gamma
preparation
Prior art date
Application number
PT66694A
Other languages
English (en)
Portuguese (pt)
Other versions
PT66694A (en
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
Priority claimed from US05/721,885 external-priority patent/US4082717A/en
Application filed by Pfizer filed Critical Pfizer
Publication of PT66694A publication Critical patent/PT66694A/pt
Publication of PT66694B publication Critical patent/PT66694B/pt

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
PT66694A 1976-08-02 1977-06-22 Process for the preparation of gamma-pyrones PT66694B (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 (2)

Publication Number Publication Date
PT66694A PT66694A (en) 1977-07-01
PT66694B true PT66694B (en) 1978-11-17

Family

ID=27108548

Family Applications (1)

Application Number Title Priority Date Filing Date
PT66694A PT66694B (en) 1976-08-02 1977-06-22 Process for the preparation of gamma-pyrones

Country Status (36)

Country Link
JP (7) JPS5318578A (es)
AR (1) AR216080A1 (es)
AT (3) AT362790B (es)
BE (1) BE855965A (es)
BG (4) BG28849A3 (es)
BR (1) BR7703970A (es)
CA (3) CA1095921A (es)
CH (4) CH625798A5 (es)
CS (3) CS203921B2 (es)
DD (1) DD132494A5 (es)
DE (3) DE2728499C2 (es)
DK (4) DK153483C (es)
EG (1) EG13080A (es)
ES (5) ES459994A1 (es)
FI (6) FI72722C (es)
FR (1) FR2372821A1 (es)
GB (5) GB1538375A (es)
GR (1) GR68938B (es)
HK (5) HK30381A (es)
HU (4) HU185686B (es)
IE (5) IE45641B1 (es)
IT (1) IT1106258B (es)
LU (1) LU77600A1 (es)
MX (1) MX4597E (es)
MY (3) MY8100267A (es)
NL (5) NL170955C (es)
NO (7) NO150561C (es)
NZ (1) NZ184342A (es)
PH (5) PH13557A (es)
PL (4) PL115586B1 (es)
PT (1) PT66694B (es)
RO (4) RO74367A (es)
SE (6) SE433079B (es)
SU (2) SU955859A3 (es)
TR (1) TR19652A (es)
YU (4) YU40166B (es)

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
FR2402654A1 (fr) * 1977-09-12 1979-04-06 Shinetsu Chemical Co Nouveaux derives de x tetrahydropyrannone(5)
JPS5444675A (en) * 1977-09-12 1979-04-09 Shin Etsu Chem Co Ltd Production of 3-hydroxy-4-pyrone analog
JPS5741226U (es) * 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 (es) * 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
CA2627529A1 (en) * 2007-03-28 2008-09-28 Apotex Technologies Inc. Fluorinated derivatives of deferiprone
MX2010011701A (es) 2008-04-25 2010-12-06 Apotex Technologies Inc Formulacion liquida para deferiprona con gusto agradable al paladar.
KR101682966B1 (ko) 2009-07-03 2016-12-06 아포텍스 테크놀로지스 인크. 3―하이드록시피리딘―4―온의 불소화된 유도체
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 (es) * 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
DK153483B (da) 1988-07-18
DK325986A (da) 1986-07-09
DK154079B (da) 1988-10-10
FI73424C (fi) 1987-10-09
LU77600A1 (es) 1978-02-01
DK154079C (da) 1989-02-27
SE445042B (sv) 1986-05-26
PH13926A (en) 1980-11-04
NO150560C (no) 1984-11-07
SU955859A3 (ru) 1982-08-30
FI831704A0 (fi) 1983-05-16
NL182477C (nl) 1988-03-16
PL115497B1 (en) 1981-04-30
JPS5436268A (en) 1979-03-16
JPS5420500B2 (es) 1979-07-23
FI72720B (fi) 1987-03-31
PL215006A1 (pl) 1979-12-17
FR2372821B1 (es) 1980-10-17
PT66694A (en) 1977-07-01
FI72720C (fi) 1987-07-10
DK326186A (da) 1986-07-09
YU274782A (en) 1983-12-31
FI831702L (fi) 1983-05-16
IE45644B1 (en) 1982-10-20
NL8105538A (nl) 1982-04-01
IT1106258B (it) 1985-11-11
JPS5436271A (en) 1979-03-16
FI831701L (fi) 1983-05-16
PH15185A (en) 1982-09-10
ATA440477A (de) 1980-11-15
NL170955B (nl) 1982-08-16
CA1117541A (en) 1982-02-02
DE2728499C2 (de) 1986-04-03
AT363470B (de) 1981-08-10
NO821848L (no) 1978-02-03
PH14625A (en) 1981-10-12
SE7707035L (sv) 1978-02-03
PL215008A1 (pl) 1979-12-17
HK30681A (en) 1981-07-10
MY8100262A (en) 1981-12-31
DK326186D0 (da) 1986-07-09
MY8100267A (en) 1981-12-31
NO151365B (no) 1984-12-17
CH625235A5 (en) 1981-09-15
SE444564B (sv) 1986-04-21
BR7703970A (pt) 1978-07-04
YU166383A (en) 1986-02-28
SE8200519L (sv) 1982-01-29
HK30481A (en) 1981-07-10
DK153483C (da) 1988-11-28
NZ184342A (en) 1978-09-25
NO150559B (no) 1984-07-30
NL182478C (nl) 1988-03-16
CH626357A5 (en) 1981-11-13
RO78952A (ro) 1982-04-12
CH625798A5 (en) 1981-10-15
FI831703A0 (fi) 1983-05-16
NO150043B (no) 1984-04-30
BG28849A3 (en) 1980-07-15
IE45643B1 (en) 1982-10-20
IE45641L (en) 1978-02-02
GR68938B (es) 1982-03-29
FI771934A (es) 1978-02-03
JPS5436266A (en) 1979-03-16
NL182478B (nl) 1987-10-16
CS203922B2 (en) 1981-03-31
DK326086A (da) 1986-07-09
JPS5436270A (en) 1979-03-16
SE433079B (sv) 1984-05-07
EG13080A (en) 1981-03-31
IE45641B1 (en) 1982-10-20
GB1538375A (en) 1979-01-17
HK30581A (en) 1981-07-10
BG29136A3 (en) 1980-09-15
YU270382A (en) 1983-10-31
FI831700L (fi) 1983-05-16
BG28988A4 (en) 1980-08-15
PH13557A (en) 1980-06-26
NL182805C (nl) 1988-05-16
FI72723B (fi) 1987-03-31
NO821847L (no) 1978-02-03
FI72119B (fi) 1986-12-31
GB1538374A (en) 1979-01-17
HU185686B (en) 1985-03-28
NO834236L (no) 1978-02-03
NL182476B (nl) 1987-10-16
HU186026B (en) 1985-05-28
DK325986D0 (da) 1986-07-09
HU185687B (en) 1985-03-28
ES470743A1 (es) 1979-01-16
NO151365C (no) 1985-03-27
PH13874A (en) 1980-10-24
NL182476C (nl) 1988-03-16
GB1538373A (en) 1979-01-17
MX4597E (es) 1982-06-25
NO150561C (no) 1984-11-07
DK153484B (da) 1988-07-18
SE8200518L (sv) 1982-01-29
FI72721C (fi) 1987-07-10
NO821850L (no) 1978-02-03
ES470746A1 (es) 1979-01-16
NL182805B (nl) 1987-12-16
NO150561B (no) 1984-07-30
FI72721B (fi) 1987-03-31
FI831704L (fi) 1983-05-16
IE790587L (en) 1978-02-02
CA1095921A (en) 1981-02-17
DE2760221C2 (es) 1989-10-05
JPS5618597B2 (es) 1981-04-30
SE8200521L (sv) 1982-01-29
HK30781A (en) 1981-07-10
HK30381A (en) 1981-07-10
SE445041B (sv) 1986-05-26
SU1015826A3 (ru) 1983-04-30
ES470744A1 (es) 1979-01-16
SE8200520L (sv) 1982-01-29
DD132494A5 (de) 1978-10-04
PL115496B1 (en) 1981-04-30
GB1538372A (en) 1979-01-17
NO150043C (no) 1984-08-15
DK153401C (da) 1988-11-28
DE2760220C2 (es) 1987-08-20
IE45645B1 (en) 1982-10-20
AR216080A1 (es) 1979-11-30
ATA124480A (de) 1981-01-15
NL8105540A (nl) 1982-04-01
RO74367A (ro) 1981-11-24
SE444565B (sv) 1986-04-21
RO78951A2 (ro) 1982-04-12
AT364356B (de) 1981-10-12
NL182477B (nl) 1987-10-16
FI72119C (fi) 1987-04-13
IE790585L (en) 1978-02-02
NO150560B (no) 1984-07-30
FI831702A0 (fi) 1983-05-16
ES459994A1 (es) 1978-11-16
NO821851L (no) 1978-02-03
IE790584L (en) 1978-02-02
FI72723C (fi) 1987-07-10
DK153401B (da) 1988-07-11
SE452616B (sv) 1987-12-07
TR19652A (tr) 1979-09-17
YU42613B (en) 1988-10-31
IE45642B1 (en) 1982-10-20
JPS5436269A (en) 1979-03-16
CS203921B2 (en) 1981-03-31
CA1110254A (en) 1981-10-06
CS203923B2 (en) 1981-03-31
MY8100287A (en) 1981-12-31
YU43190B (en) 1989-04-30
NO150042B (no) 1984-04-30
DK326086D0 (da) 1986-07-09
JPS5318578A (en) 1978-02-20
NL8105537A (nl) 1982-04-01
DK153484C (da) 1988-11-28
NL7706811A (nl) 1978-02-06
SE8200522L (sv) 1982-01-29
AU2601777A (en) 1978-09-21
FI831701A0 (fi) 1983-05-16
NO821849L (no) 1978-02-03
DK276177A (da) 1978-02-03
ATA124380A (de) 1981-03-15
JPS5729034B2 (es) 1982-06-19
PL199798A1 (pl) 1979-08-27
RO78953A (ro) 1982-04-12
BG28989A4 (en) 1980-08-15
YU40166B (en) 1985-08-31
FI831700A0 (fi) 1983-05-16
JPS5436267A (en) 1979-03-16
PL115586B1 (en) 1981-04-30
DE2728499A1 (de) 1978-02-09
JPS5618596B2 (es) 1981-04-30
NO150559C (no) 1984-11-07
NL8105539A (nl) 1982-04-01
ES470745A1 (es) 1979-01-16
FI72722B (fi) 1987-03-31
FR2372821A1 (fr) 1978-06-30
BE855965A (fr) 1977-12-21
GB1538371A (en) 1979-01-17
FI831703L (fi) 1983-05-16
NL170955C (nl) 1983-01-17
NO772193L (no) 1978-02-03
PL215007A1 (pl) 1979-12-17
HU180040B (en) 1983-01-28
FI73424B (fi) 1987-06-30
AT362790B (de) 1981-06-10
JPS5814433B2 (ja) 1983-03-18
NO150042C (no) 1984-08-15
IE790586L (en) 1978-02-02
CH626358A5 (en) 1981-11-13
YU146977A (en) 1983-06-30
FI72722C (fi) 1987-07-10

Similar Documents

Publication Publication Date Title
GR64125B (en) Method for the preparation of 3-de-o-methylfortimicins
GB1519579A (en) Process for the preparation of mononitro-aromatic compounds
IL52749A0 (en) Process for the preparation of m-phenoxybenzaldehyde
GB1523529A (en) Process for the preparation of tetrazole - 5 - carboxamides
CH608498A5 (en) Process for the preparation of novel 5-methylisoxazole- 4-carboxamides
HK30381A (en) Process for the preparation of gamma-pyrones
GB1534213A (en) Process for the preparation of basically-substituted phenyl-acetonitriles
PH12481A (en) Process for preparation of 3-halomethylcephens
GB1552402A (en) Process for the preparation of 3-deoxyanthocyanidins
CH609341A5 (en) Process for the preparation of 5-methylisoxazole- 4-carboxanilides
GB1549547A (en) Process for the preparation of 4-phenoxy-phenols
GB1555111A (en) Process for the preparation of substituted chloropyramidines
PT67309A (en) Process for the preparation of an orthoaminoacetophenone
GB1521436A (en) Process for the preparation of halogeno-acetals from enoxysilanes
PT66862A (en) Process for the preparation of cyanoprostaglandins
GB1519931A (en) Process for the preparation of ethyl aminocyanoacetate
PT66654B (en) Process for the preparation of synthetic aminoglicosides
IL51433A (en) Process for preparation of 7-alkoxy-3-chloromethylcephems
ZA773011B (en) Process for the preparation of 2-aryliminothiazoline solutions
PT66889B (en) Process for the preparation of derivatives of the d-threo-1-phenyl
IL51271A (en) Process for the preparation of 0-dialkyl-aminomethylphenols
ATA388379A (de) Katalysator zur herstellung olefinisch ungesaettigter carbonsaeuren
ZA767468B (en) Process for the preparation of 2-aminoindante derivatives
IL51653A (en) Process for preparation of 3-hydroxymethylcephems
CS180986B1 (en) Process for the preparation of dimethylterphtalate