JPS5334776A - Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones - Google Patents

Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones

Info

Publication number
JPS5334776A
JPS5334776A JP8468177A JP8468177A JPS5334776A JP S5334776 A JPS5334776 A JP S5334776A JP 8468177 A JP8468177 A JP 8468177A JP 8468177 A JP8468177 A JP 8468177A JP S5334776 A JPS5334776 A JP S5334776A
Authority
JP
Japan
Prior art keywords
pyran
dihydro
diones
novel
preparation
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
JP8468177A
Other languages
Japanese (ja)
Other versions
JPS5411312B2 (en
Inventor
Mikio Sawaki
Isao Iwataki
Yoshihiko Hirono
Hisao Ishikawa
Akira Wakai
Mitsuo Asada
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.)
Nippon Soda Co Ltd
Original Assignee
Nippon Soda 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.)
Filing date
Publication date
Application filed by Nippon Soda Co Ltd filed Critical Nippon Soda Co Ltd
Priority to JP8468177A priority Critical patent/JPS5334776A/en
Publication of JPS5334776A publication Critical patent/JPS5334776A/en
Publication of JPS5411312B2 publication Critical patent/JPS5411312B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pyrane Compounds (AREA)

Abstract

PURPOSE: 3,4-Dihydro-2H-pyran-2,4-diones of formula I(R1 if lower alkyl or phenyl; R2 is alkyl or lower chloro alkyl, benzyl, phenoxymethyl, phenyl, styryl, etc.; R3 is H, alkyl, lower alkenyl, benzyl, etc.), e.g. 3-(1-Nallyloxy-aminopropylidene)-6-phenyl-3,4-dihydro-2H-pyran-2,4-dione.
COPYRIGHT: (C)1978,JPO&Japio
JP8468177A 1977-07-15 1977-07-15 Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones Granted JPS5334776A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8468177A JPS5334776A (en) 1977-07-15 1977-07-15 Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8468177A JPS5334776A (en) 1977-07-15 1977-07-15 Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2877174A Division JPS5327767B2 (en) 1974-03-13 1974-03-13

Publications (2)

Publication Number Publication Date
JPS5334776A true JPS5334776A (en) 1978-03-31
JPS5411312B2 JPS5411312B2 (en) 1979-05-14

Family

ID=13837426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8468177A Granted JPS5334776A (en) 1977-07-15 1977-07-15 Preparation of novel 3,4-dihydro-2h-pyran-2, 4-diones

Country Status (1)

Country Link
JP (1) JPS5334776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05181532A (en) * 1992-01-07 1993-07-23 Sumitomo Metal Ind Ltd Device and method for controlling cutoff of plate-shaped body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05181532A (en) * 1992-01-07 1993-07-23 Sumitomo Metal Ind Ltd Device and method for controlling cutoff of plate-shaped body

Also Published As

Publication number Publication date
JPS5411312B2 (en) 1979-05-14

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