FI97135B - Förfarande för framställning av polyalkyl-2-alkoxi-7-hydroxikromanderivat - Google Patents

Förfarande för framställning av polyalkyl-2-alkoxi-7-hydroxikromanderivat Download PDF

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Publication number
FI97135B
FI97135B FI903344A FI903344A FI97135B FI 97135 B FI97135 B FI 97135B FI 903344 A FI903344 A FI 903344A FI 903344 A FI903344 A FI 903344A FI 97135 B FI97135 B FI 97135B
Authority
FI
Finland
Prior art keywords
alkoxy
preparation
formula
acid
polyalkyl
Prior art date
Application number
FI903344A
Other languages
English (en)
Finnish (fi)
Other versions
FI903344A0 (sv
FI97135C (sv
Inventor
Takashi Tashiro
Daisuke Fukuoka
Takeshi Ishitoku
Katsuya Takahashi
Junichi Imuta
Hiroaki Tan
Masaharu Ishiguro
Noriaki Kihara
Teruaki Mukaiyama
Original Assignee
Mitsui Petrochemical Ind
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 Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Publication of FI903344A0 publication Critical patent/FI903344A0/sv
Application granted granted Critical
Publication of FI97135B publication Critical patent/FI97135B/sv
Publication of FI97135C publication Critical patent/FI97135C/sv

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/20—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 hydrogenated in the hetero ring

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrane Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Saccharide Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)

Claims (7)

1. Förfarande för framställning av polyalkyl-2-alkoxi-7-hydrox±kromanderivat med formeln 5 R' CHzR* ΓοΤ^ΓΓ <v> BO 10 där R1 betecknar lägre primär alkyl, R2 betecknar väte eller lägre primär alkyl och R3 betecknar lägre alkyl, kännetecknat därav, att resorcinol omsätts med 15 en alifatisk keton med formeln d > > 0 U> RZCH* 20 där R1 och R2 betecknar samma som ovan, och med en alkohol med formeln R30H (II) 25 Γ* : där R3 betecknar samma som ovan, i närvaro av en syrakata- • ♦ ;*·*· lysator.
.*··. 2. Förfarande enligt patentkravet 1, k ä n n e - ,··*. t e c k n a t därav, att R2 är väte. . i , 30
3. Förfarande enligt patentkravet 1, k ä n n e - . t e c k n a t därav, att R2 är lägre primär alkyl. » i
· '”·* 4. Förfarande enligt patentkravet 1, k ä n n e - » t « t e c k n a t därav, att resorcinolen omsätts med 0,5 - 1 mol av en keton med formeln I och med 1 - 100 mol av en 9713? 12 ai koho 1 med formeln II, varvid närvarande är 0,01 - 2 111 syrakatalysator.
5 Inert lösningsmedel.
5. Förfarande enllgt patentkravet 4, k ä n n e ** t e c k n a t därav, att det utförs ± närvaro av ett
6. Förfarande enllgt patentkravet 4, k ä n n e -t e c k n a t därav, att det utförs utan lösningsmedel.
7. Förfarande enligt patentkravet 1, k ä n n e - t e c k n a t därav, att det utförs vid en temperatur av 10 70 - 130 °C under 0,5 - 20 timmar. ·· · • * · • · • · » i l · · t · • • · » i : • »· «fr * k « « r « · « • · *·« fr·· f » *
FI903344A 1989-07-03 1990-07-03 Förfarande för framställning av polyalkyl-2-alkoxi-7-hydroxikromanderivat FI97135C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16994789 1989-07-03
JP1169947A JP2974327B2 (ja) 1989-07-03 1989-07-03 ポリアルキル―２―アルコキシ―７―ヒドロキシクロマンの製造方法

Publications (3)

Publication Number Publication Date
FI903344A0 FI903344A0 (sv) 1990-07-03
FI97135B true FI97135B (sv) 1996-07-15
FI97135C FI97135C (sv) 1996-10-25

Family

ID=15895826

Family Applications (1)

Application Number Title Priority Date Filing Date
FI903344A FI97135C (sv) 1989-07-03 1990-07-03 Förfarande för framställning av polyalkyl-2-alkoxi-7-hydroxikromanderivat

Country Status (10)

Country Link
US (1) US5072007A (sv)
EP (2) EP0581332A1 (sv)
JP (1) JP2974327B2 (sv)
KR (1) KR920008619B1 (sv)
AT (1) ATE113593T1 (sv)
CA (1) CA2020232C (sv)
DE (1) DE69013773T2 (sv)
ES (1) ES2064540T3 (sv)
FI (1) FI97135C (sv)
HU (1) HU208688B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4111861A1 (de) * 1991-04-11 1992-10-15 Schwabe Willmar Gmbh & Co Benzopyranone, verfahren zu ihrer herstellung und verwendung
WO2017067839A1 (en) 2015-10-23 2017-04-27 Syngenta Participations Ag Microbiocidal phenylamidine derivatives

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4838924A (en) * 1985-08-05 1989-06-13 Mitsui Petrochemical Industries, Ltd. Aromatic urea derivatives and their use as herbicide

Also Published As

Publication number Publication date
EP0406758A1 (en) 1991-01-09
ES2064540T3 (es) 1995-02-01
JPH0338584A (ja) 1991-02-19
CA2020232A1 (en) 1991-01-04
FI903344A0 (sv) 1990-07-03
DE69013773D1 (de) 1994-12-08
KR910002829A (ko) 1991-02-26
ATE113593T1 (de) 1994-11-15
US5072007A (en) 1991-12-10
CA2020232C (en) 1996-11-19
EP0406758B1 (en) 1994-11-02
EP0581332A1 (en) 1994-02-02
FI97135C (sv) 1996-10-25
DE69013773T2 (de) 1995-04-13
JP2974327B2 (ja) 1999-11-10
HUT54134A (en) 1991-01-28
HU208688B (en) 1993-12-28
HU904073D0 (en) 1990-12-28
KR920008619B1 (ko) 1992-10-02

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Legal Events

Date Code Title Description
BB Publication of examined application
TC Name/ company changed in patent

Owner name: MITSUI CHEMICALS, INC.

MM Patent lapsed

Owner name: MITSUI CHEMICALS, INC.