JPS56113775A - Dihydropyran derivative, its preparation and utilization - Google Patents

Dihydropyran derivative, its preparation and utilization

Info

Publication number
JPS56113775A
JPS56113775A JP1480580A JP1480580A JPS56113775A JP S56113775 A JPS56113775 A JP S56113775A JP 1480580 A JP1480580 A JP 1480580A JP 1480580 A JP1480580 A JP 1480580A JP S56113775 A JPS56113775 A JP S56113775A
Authority
JP
Japan
Prior art keywords
formula
methyl
dihydropyran
methylenetriphenylphosphorane
utilization
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
JP1480580A
Other languages
Japanese (ja)
Other versions
JPS6050194B2 (en
Inventor
Minoru Iwamoto
Keiichi Takagi
Kunio Kojo
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.)
T Hasegawa Co Ltd
Original Assignee
T Hasegawa 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 T Hasegawa Co Ltd filed Critical T Hasegawa Co Ltd
Priority to JP55014805A priority Critical patent/JPS6050194B2/en
Publication of JPS56113775A publication Critical patent/JPS56113775A/en
Publication of JPS6050194B2 publication Critical patent/JPS6050194B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Seasonings (AREA)
  • Pyrane Compounds (AREA)
  • Cosmetics (AREA)
  • Fats And Perfumes (AREA)

Abstract

NEW MATERIAL:2-( 2- Methyl- 2-propenyl )-4- methyl- 2H-5, 6-dihydropyran expressed by formula I.
USE: A lasting flavoring and perfuming agent and a modifier usable for a floral flavoring and perfuming component in a cosmetic, food and drink, health and hygiene and a medicine.
PROCESS: 2-(2-Oxo-propyl)-4-methyl-2H-5,6-dihydropyran of formula II is reacted with methylenetriphenylphosphorane of formula III (Ph is phenyl) or a component capable of forming the methylenetriphenylphosphorane in an inert organic solvent, preferably in the presence of an organic base, at -10W-20°C for 1W20hr to give the compound of formula I in high yield and purity readily.
COPYRIGHT: (C)1981,JPO&Japio
JP55014805A 1980-02-12 1980-02-12 Dihydropyran derivatives, their preparation and use Expired JPS6050194B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55014805A JPS6050194B2 (en) 1980-02-12 1980-02-12 Dihydropyran derivatives, their preparation and use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55014805A JPS6050194B2 (en) 1980-02-12 1980-02-12 Dihydropyran derivatives, their preparation and use

Publications (2)

Publication Number Publication Date
JPS56113775A true JPS56113775A (en) 1981-09-07
JPS6050194B2 JPS6050194B2 (en) 1985-11-07

Family

ID=11871250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55014805A Expired JPS6050194B2 (en) 1980-02-12 1980-02-12 Dihydropyran derivatives, their preparation and use

Country Status (1)

Country Link
JP (1) JPS6050194B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017210589A (en) * 2016-05-27 2017-11-30 山本香料株式会社 Odor modulation agent and odor modulation method
WO2019107366A1 (en) * 2017-11-29 2019-06-06 山本香料株式会社 Odor-modulating agent for modulating odor of asphalt, sludge, sewage, ginkgo, compost, marine animals, vegetables, garbage, or paint, and method for modulating odor of asphalt, sludge, sewage, ginkgo, compost, marine animals, vegetables, garbage, or paint
WO2022085379A1 (en) * 2020-10-20 2022-04-28 長谷川香料株式会社 Lactone compound

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017210589A (en) * 2016-05-27 2017-11-30 山本香料株式会社 Odor modulation agent and odor modulation method
WO2019107366A1 (en) * 2017-11-29 2019-06-06 山本香料株式会社 Odor-modulating agent for modulating odor of asphalt, sludge, sewage, ginkgo, compost, marine animals, vegetables, garbage, or paint, and method for modulating odor of asphalt, sludge, sewage, ginkgo, compost, marine animals, vegetables, garbage, or paint
JP2019097697A (en) * 2017-11-29 2019-06-24 山本香料株式会社 Oder modulation agent for modulating odor of asphalt, sludge, foul water, ginkgo, compost, marine animal, vegetable, garbage or paint, and oder modulation method of odor of asphalt, sludge, foul water, ginkgo, compost, marine animal, vegetable, garbage or paint
WO2022085379A1 (en) * 2020-10-20 2022-04-28 長谷川香料株式会社 Lactone compound
JP2022067156A (en) * 2020-10-20 2022-05-06 長谷川香料株式会社 Lactone compound

Also Published As

Publication number Publication date
JPS6050194B2 (en) 1985-11-07

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