JPS6121557B2 - - Google Patents

Info

Publication number: JPS6121557B2
Authority: JP; Japan
Prior art keywords: dibenzofuran; weight; fraction; acenaphthene; fluorene
Prior art date: 1979-06-11
Legal status (The legal status 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 status listed.): Expired

Application number

JP7225879A

Other languages

English (en)

Japanese (ja)

Other versions

JPS55167285A (en

Inventor

Kyoshi Sakuma

Kihachiro Oota

Norio Tomioka

Masakazu Takeuchi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Shin Etsu Chemical Co Ltd

Original Assignee

Shin Etsu Chemical Co Ltd

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.)

1979-06-11

Filing date

1979-06-11

Publication date

1986-05-27

1979-06-11 Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd

1979-06-11 Priority to JP7225879A priority Critical patent/JPS55167285A/ja

1980-12-26 Publication of JPS55167285A publication Critical patent/JPS55167285A/ja

1986-05-27 Publication of JPS6121557B2 publication Critical patent/JPS6121557B2/ja

Status Granted legal-status Critical Current

Links

TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 124
CWRYPZZKDGJXCA-UHFFFAOYSA-N acenaphthene Chemical compound C1=CC(CC2)=C3C2=CC=CC3=C1 CWRYPZZKDGJXCA-UHFFFAOYSA-N 0.000 claims description 42
NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims description 34
HXGDTGSAIMULJN-UHFFFAOYSA-N acetnaphthylene Natural products C1=CC(C=C2)=C3C2=CC=CC3=C1 HXGDTGSAIMULJN-UHFFFAOYSA-N 0.000 claims description 19
239000013078 crystal Substances 0.000 claims description 18
239000011280 coal tar Substances 0.000 claims description 8
238000004821 distillation Methods 0.000 claims description 8
UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 6
MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 6
230000008018 melting Effects 0.000 claims description 5
238000002844 melting Methods 0.000 claims description 5
238000004519 manufacturing process Methods 0.000 claims description 4
238000004140 cleaning Methods 0.000 claims description 3
239000002994 raw material Substances 0.000 description 20
239000000047 product Substances 0.000 description 17
238000002425 crystallisation Methods 0.000 description 13
239000007788 liquid Substances 0.000 description 12
238000001816 cooling Methods 0.000 description 11
230000008025 crystallization Effects 0.000 description 11
239000012452 mother liquor Substances 0.000 description 10
238000000034 method Methods 0.000 description 9
239000000203 mixture Substances 0.000 description 8
238000000746 purification Methods 0.000 description 6
238000010438 heat treatment Methods 0.000 description 4
239000002244 precipitate Substances 0.000 description 4
238000009835 boiling Methods 0.000 description 3
238000005119 centrifugation Methods 0.000 description 3
239000002002 slurry Substances 0.000 description 3
239000006104 solid solution Substances 0.000 description 3
238000003756 stirring Methods 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 2
LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 2
239000000498 cooling water Substances 0.000 description 2
239000000374 eutectic mixture Substances 0.000 description 2
238000007710 freezing Methods 0.000 description 2
230000008014 freezing Effects 0.000 description 2
239000012535 impurity Substances 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
125000004062 acenaphthenyl group Chemical group C1(CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
238000000998 batch distillation Methods 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000007423 decrease Effects 0.000 description 1
150000004826 dibenzofurans Chemical class 0.000 description 1
239000000975 dye Substances 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
239000002917 insecticide Substances 0.000 description 1
235000010292 orthophenyl phenol Nutrition 0.000 description 1
239000003755 preservative agent Substances 0.000 description 1
238000010992 reflux Methods 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000011269 tar Substances 0.000 description 1
238000005406 washing Methods 0.000 description 1

Landscapes

Furan Compounds (AREA)

JP7225879A 1979-06-11 1979-06-11 Preparation of dibenzofuran Granted JPS55167285A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP7225879A JPS55167285A (en)	1979-06-11	1979-06-11	Preparation of dibenzofuran

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP7225879A JPS55167285A (en)	1979-06-11	1979-06-11	Preparation of dibenzofuran

Publications (2)

Publication Number	Publication Date
JPS55167285A JPS55167285A (en)	1980-12-26
JPS6121557B2 true JPS6121557B2 (ru)	1986-05-27

Family

ID=13484080

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP7225879A Granted JPS55167285A (en)	1979-06-11	1979-06-11	Preparation of dibenzofuran

Country Status (1)

Country	Link
JP (1)	JPS55167285A (ru)

1979
- 1979-06-11 JP JP7225879A patent/JPS55167285A/ja active Granted

Also Published As

Publication number	Publication date
JPS55167285A (en)	1980-12-26

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