2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン

2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン 価格 もっと(12)

メーカー	製品番号	製品説明	CAS番号	包装	価格	更新時間	購入
富士フイルム和光純薬株式会社(wako)	W01COBQC-8514	4-メチル-2-(2-メチルプロペニル)テトラヒドロ-2H-ピラン 4-Methyl-2-(2-methylpropenyl)tetrahydro-2h-pyran	16409-43-1	5g	￥10000	2024-03-01	購入
富士フイルム和光純薬株式会社(wako)	W01COBQC-8514	4-Methyl-2-(2-methylpropenyl)tetrahydro-2h-pyran	16409-43-1	100g	￥40000	2024-03-01	購入
富士フイルム和光純薬株式会社(wako)	W01COBQC-8514	4-メチル-2-(2-メチルプロペニル)テトラヒドロ-2H-ピラン 4-Methyl-2-(2-methylpropenyl)tetrahydro-2h-pyran	16409-43-1	1g	￥10000	2023-06-01	購入
東京化成工業	M2363	4-メチル-2-(2-メチル-1-プロペニル)テトラヒドロピラン (cis-, trans-混合物) >97.0%(GC) 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran (cis- and trans- mixture) >97.0%(GC)	16409-43-1	25g	￥6200	2024-03-01	購入
Sigma-Aldrich Japan	83917	(−)-ローズオキシド analytical standard (?)-Rose oxide analytical standard	16409-43-1	1ml	￥7310	2024-03-01	購入

2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン 化学特性,用途語,生産方法

外観

無色～淡黄色の液体

定義

本品は、次の化学式で表される有機化合物である。

解説

ローズオキシド．ローズ油中の微量成分．クトロンアルデヒドとビニルエチルエーテルのジエン付加物より，α-ブロモ-γ-メチルテトラヒドロピランを得て，そのグリニャール反応により，シス，トランス混合物を得る．無色の液体．沸点182 ℃．d²⁵₂₅0.870．n²⁰_D1.4566．質のよい花様の香りを有する．バラ系調合香料，せっけんの香料に用いられる．LD50  ＞ 5000 mg/kg(ウサギ，経皮)．

化粧品の成分用途

香料

化学的特性

Rose Oxide occurs in small quantities, mainly as the levorotatory cis form, in essential oils (e.g., Bulgarian rose oil and geranium oil). Commercial synthetic products are either optically active or inactive mixtures of the cis- and trans-isomers. Their sensory properties depend on the starting material and the method of synthesis.They are colorless liquids with a strong odor reminiscent of geranium and rose oil.

天然物の起源

Reported found in the oils of rose (Bulgarian) and geranium (Réunion); both the cis- and the trans-form have been reportedly isolated from geranium oil. Unidentified isomers reported found in black currant berries, passion fruit, some types of Thymus and white wine.

製造方法

Rose oxide is usually prepared from citronellol, which can be converted into a mixture of two allyl hydroperoxides by photosensitized oxidationwith singlet oxygen. Reduction of the hydroperoxideswith sodium sulfite yields the corresponding diols . Treatmentwith dilute sulfuric acid results in allylic rearrangement and spontaneous cyclization of one of the isomers; amixture of diastereoisomeric rose oxides is thus formed. The unreacted diol isomer is separated by distillation. (?)- Citronellol as the starting material yields an approximately 7 : 3 mixture of (?)-cisand (?)-trans-rose oxide. Higher proportions of the cis-isomer may be obtained by dehydration with a stronger acid.Other methods for the production of rose oxide starting from citronellol consist of halogenation–dehalogenation reactions of citronellol.
An alternative technical process does not use citronellol but starts from prenal [107-86-8] and 3-methyl-3-buten-1-ol [763-32-6]. Under acidic conditions, the reaction affords a mixture of isomers of dehydro rose oxide (C₁₀H₁₆O6; [1786- 08-9], [92356-05-3], [60857-05-8]). Subsequent hydrogenation using a ruthenium/alumina catalyst leads to rose oxide.The proportion of cis-isomer can be increased by isomerization under acidic conditions.

2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン 上流と下流の製品情報

原材料

準備製品

2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン 生産企業

名前	電話番号	電子メール	国籍	製品カタログ	優位度
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	sales@hbmojin.com	China	12457	58
Hebei Yanxi Chemical Co., Ltd.	+8617531190177	peter@yan-xi.com	China	5993	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21695	55
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Hebei Guanlang Biotechnology Co., Ltd.	+86-19930503282	alice@crovellbio.com	China	8823	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22968	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63711	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	47465	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569266 15319487004	1015@dideu.com	China	2263	58

16409-43-1(2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン)キーワード:

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• 16409-43-1
• 2-(2-methyl-1-propenyl)-4-methyltetrahydro-pyra
• 2H-Pyran, tetrahydro-4-methyl-2-(2-methylpropenyl)-
• 4-Methyl-2-(2-methyl-1-propenyl)tetrahydro-2H-pyran
• c-rose oxide
• Pyran, 2-(2-methyl-1-propenyl)-4-methyltetrahydro-
• Pyran, tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-
• Rose oxide , I
• Rose oxide cis
• Rose oxide levo
• tetrahydro-4-methyl-2-(2-methyl-1-propen-1-yl)-2H-Pyran
• FEMA 3236
• rosenoxide
• Rosoxide
• tetrahydro-2-(2-methyl-1-propenyl)-4-methyl-pyra
• tetrahydro-4-methyl-2-(2-methyl-1-propenyl)-2h-pyra
• tetrahydro-4-methyl-2-(2-methylpropenyl)-2h-pyra
• tetrahydro-4-methyl-2-(2-methylpropenyl)-pyra
• 4-Methyl-2-(2-methyl-1-propenyl)tetrahydropyran (cis- and trans- mixture)
• 4-Methyl-2-(2-methylprop-1-en-1-yl)
• tetrahydro-4-methyl-2-(2-methylprop-1-enyl)pyran
• 4-METHYL-2-(2-METHYLPROPENYL)TETRAHYDRO-2H-PYRAN
• (4S)-2-(2-METHYL-1-PROPENYL)-4-METHYLTETRAHYDROPYRAN
• ROSE OXIDE HIGH CIS
• TETRAHYDRO-4-METHYL-2(2'-METHYL PROPEN-1'-YL)-PYRAN
• TETRAHYDRO-4-METHYL-2-(2-METHYL-1-PROPEN
• (-)-ROSE OXIDE, TERPENE STANDARD
• (-)-ROSE OXIDE, TERPENE STANDARD 99%
• Tetrahydro-4-methyl-2(2'-methylpropen-1'-yl)pyrane
• 2-Isobutenyl 4-methyl tetrahydropyran
• DL-Rose oxide
• 2-(2-メチル-1-プロペニル)-4-メチルテトラヒドロ-2H-ピラン
• ローズオキシド
• 1-[(テトラヒドロ-4-メチル-2H-ピラン)-2-イル]-2-メチル-1-プロペン
• DL-ロ-ズオキサイド
• 4-メチル-2-(2-メチル-1-プロペニル)テトラヒドロピラン (cis-, trans-混合物)
• 2-（2’-メチル-1’-プロペニル）-4-メチルテトラハイドロピラン
• イソブテニルメチルテトラヒドロピラン
• 4-メチル-2-(2-メチルプロペニル)テトラヒドロ-2H-ピラン
• 4-メチル-2-(2-メチルプロプ-1-エン-1-イル)テトラヒドロ-2H-ピラン
• (+)-ローズオキシド
• (−)-ローズオキシド