JPS51122069A - Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives - Google Patents

Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives

Info

Publication number
JPS51122069A
JPS51122069A JP3513776A JP3513776A JPS51122069A JP S51122069 A JPS51122069 A JP S51122069A JP 3513776 A JP3513776 A JP 3513776A JP 3513776 A JP3513776 A JP 3513776A JP S51122069 A JPS51122069 A JP S51122069A
Authority
JP
Japan
Prior art keywords
dihydro
d10ne
pyran
bromo
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
JP3513776A
Other languages
Japanese (ja)
Other versions
JPS5235673B2 (en
Inventor
Mikio Sawaki
Isao Iwataki
Yoshihiko Hirono
Hisao Ishikawa
Shozo Yamada
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 JP3513776A priority Critical patent/JPS51122069A/en
Publication of JPS51122069A publication Critical patent/JPS51122069A/en
Publication of JPS5235673B2 publication Critical patent/JPS5235673B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: 5-Brono-3,4-dihydro-2H-pyran2,4-dione derivatives 1 where R1 and R2 are lower alkyl, R3 is lower alkyl or lower alkenyl, excepting both R1 and R2 methyls.
COPYRIGHT: (C)1976,JPO&Japio
JP3513776A 1976-04-01 1976-04-01 Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives Granted JPS51122069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3513776A JPS51122069A (en) 1976-04-01 1976-04-01 Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3513776A JPS51122069A (en) 1976-04-01 1976-04-01 Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP252673A Division JPS5212249B2 (en) 1972-10-20 1972-12-25

Publications (2)

Publication Number Publication Date
JPS51122069A true JPS51122069A (en) 1976-10-25
JPS5235673B2 JPS5235673B2 (en) 1977-09-10

Family

ID=12433518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3513776A Granted JPS51122069A (en) 1976-04-01 1976-04-01 Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives

Country Status (1)

Country Link
JP (1) JPS51122069A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630177A (en) * 1979-08-22 1981-03-26 Hitachi Ltd Character generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630177A (en) * 1979-08-22 1981-03-26 Hitachi Ltd Character generator

Also Published As

Publication number Publication date
JPS5235673B2 (en) 1977-09-10

Similar Documents

Publication Publication Date Title
JPS5297950A (en) Chalconeether derivatives
JPS51122069A (en) Process for preparation of 5-bromo-3,4- dihydro-2h-pyran-2,4-d10ne der ivatives
JPS51138670A (en) Process for preparing phthalimide derivatives
JPS51122070A (en) Process for preparation of 3,4-dihydro- 2h-pyran-2,4-dione derivatives
JPS5276434A (en) Dungicides for nonmedical use and method of making the same
JPS5427578A (en) 1-carboxyalkylcarbamoyl-5-fluorouracil derivatives and their preparation
JPS5359664A (en) Novel imidazole derivatives
JPS51113846A (en) New herbicides
JPS53119895A (en) 2h-pyrazolo (3,4-f) quinolines
JPS5359656A (en) Silacyclopropene derivatives and process for preparation of the same
JPS52125146A (en) Arylacetylenesulfonamide derivatives and method of preparing the same
JPS51128977A (en) Process for preparing carbostyril derivatives
JPS52125169A (en) Tetrahydropyran-5-one derivatives and method of preparing the same
JPS5312893A (en) Preparation of tetraquinazolone derivatives
JPS527956A (en) Succinimide derivatives and its preparation
JPS52265A (en) Process for preparation of 4-benzolpyrazoles
JPS5259142A (en) Process for preparation of stilbene derivatives
JPS5253815A (en) Preparation of n-alkyl-beta-oxybutyramides
JPS51128980A (en) Process for preparing 3,4- dihydrocarbostyril derivatives
JPS545952A (en) Alkyphenethyldichlorosilanes and process for their preparation
JPS5359662A (en) Novel acetonitriles and process for preparation of the same
JPS51146479A (en) Process for preparing new morpholinone derivatives
JPS532483A (en) 1-substituted-5-fluorouracils and method of preparing same
JPS51141874A (en) 6-aminochroman linolic acid amides.
JPS5214751A (en) Hydroquinone derivatives