JPH10265428A - プロトカテキュアルデヒドの製造方法 - Google Patents

プロトカテキュアルデヒドの製造方法

Info

Publication number
JPH10265428A
JPH10265428A JP7223997A JP7223997A JPH10265428A JP H10265428 A JPH10265428 A JP H10265428A JP 7223997 A JP7223997 A JP 7223997A JP 7223997 A JP7223997 A JP 7223997A JP H10265428 A JPH10265428 A JP H10265428A
Authority
JP
Japan
Prior art keywords
protocatechualdehyde
hydroxybenzaldehyde
acid
alkoxy
halogenated
Prior art date
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.)
Granted
Application number
JP7223997A
Other languages
English (en)
Japanese (ja)
Other versions
JP3775883B2 (ja
Inventor
Katsumasa Harada
勝正 原田
Masashi Shirai
昌志 白井
Toshio Furuya
敏男 古谷
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.)
Ube Corp
Original Assignee
Ube Industries 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.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP07223997A priority Critical patent/JP3775883B2/ja
Publication of JPH10265428A publication Critical patent/JPH10265428A/ja
Application granted granted Critical
Publication of JP3775883B2 publication Critical patent/JP3775883B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP07223997A 1997-03-25 1997-03-25 プロトカテキュアルデヒドの製造方法 Expired - Lifetime JP3775883B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07223997A JP3775883B2 (ja) 1997-03-25 1997-03-25 プロトカテキュアルデヒドの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07223997A JP3775883B2 (ja) 1997-03-25 1997-03-25 プロトカテキュアルデヒドの製造方法

Publications (2)

Publication Number Publication Date
JPH10265428A true JPH10265428A (ja) 1998-10-06
JP3775883B2 JP3775883B2 (ja) 2006-05-17

Family

ID=13483548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07223997A Expired - Lifetime JP3775883B2 (ja) 1997-03-25 1997-03-25 プロトカテキュアルデヒドの製造方法

Country Status (1)

Country Link
JP (1) JP3775883B2 (enProduction of protocatechualdehyde)

Also Published As

Publication number Publication date
JP3775883B2 (ja) 2006-05-17

Similar Documents

Publication Publication Date Title
EP0003643A1 (en) Process for the preparation of 4-(6-methoxy-2-naphthyl)-butan-2-one; 4-(6-methoxy-2-naphthyl)-4-hydroxybut-3-en-2-one and a process for its preparation
JP3775883B2 (ja) プロトカテキュアルデヒドの製造方法
JP3923677B2 (ja) ２−アルキル−２−シクロペンテノンの製造法
EP0650952B1 (en) Process for 3,5-di-tert-butylsalicylaldehyde
JP2920414B2 (ja) 置換フェノールの製造方法
JPS5828877B2 (ja) 新規２，６−ジメトキシ−４−置換フエニル・ジ置換ホスフエイト類
EP0101004B1 (en) Process for preparing 4-oxo-4, 5, 6, 7-tetrahydroindole derivative
JPH0578277A (ja) ３，３，３−トリフルオロ乳酸の製造方法及び光学純度の向上法
Sharghi et al. Efficient, mild and highly regioselective cleavage of epoxides with elemental halogen catalyzed by 2-phenyl-2-(2-pyridyl) imidazolidine (PPI)
JP3521672B2 (ja) ３，４−ジヒドロキシ−５−ニトロベンズアルデヒドの製造法
JPH11279121A (ja) β−アルコキシプロピオン酸アルキル類の製造法
JP3237541B2 (ja) アルデヒド又はケトンの還元方法
JP3823385B2 (ja) ２，４，５−トリフルオロ−３−ヨ−ド安息香酸およびそのエステル類の製造方法
JP2001206883A (ja) ３，４−メチレンジオキシマンデル酸の製造法
JP2006206550A (ja) δ−イミノマロン酸誘導体の製造方法、及びそのための触媒
JP3680341B2 (ja) 光学活性１，１’−ビス（１−ヒドロキシアルキル）メタロセンの製造方法
JP2560431B2 (ja) ２，４−ジヒドロキシアセトフェノンの製造法
JPS6122058A (ja) ３−（４−フルオロフエノキシ）プロピオニトリル及び該化合物を用いる６−フルオロ−４−クロマノンの製造法
JP2581186B2 (ja) ４−置換−２−シクロペンテノンエステル誘導体の製造法
JP2000063321A (ja) 光学純度の高い長鎖β−ヒドロキシカルボン酸の製造方法
JPH10204020A (ja) クロロ−ベンゾイルクロリド類の製造方法
JPH07247267A (ja) フェニルエーテル類の製造方法
JPH07252183A (ja) フェノール誘導体の製造方法
JPH0669985B2 (ja) ２−シクロペンテノン誘導体の製造法
Sudhakar Reddy et al. CONVERSION OF α-ARYLIDENE-γ-ΚEΤΟ ESTERS TO DIARYLFURAN CARBOXYLIC ACID ESTERS

Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20040113

A521 Written amendment

Effective date: 20040308

Free format text: JAPANESE INTERMEDIATE CODE: A523

A521 Written amendment

Effective date: 20040420

Free format text: JAPANESE INTERMEDIATE CODE: A523

A911 Transfer of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20040426

A912 Removal of reconsideration by examiner before appeal (zenchi)

Effective date: 20040528

Free format text: JAPANESE INTERMEDIATE CODE: A912

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20060221

R150 Certificate of patent (=grant) or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 4

Free format text: PAYMENT UNTIL: 20100303

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110303

Year of fee payment: 5

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120303

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 6

Free format text: PAYMENT UNTIL: 20120303

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120303

Year of fee payment: 6

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130303

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130303

Year of fee payment: 7

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130303

Year of fee payment: 7