Category: 31608-22-7

Reference of 31608-22-7, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 31608-22-7, Name is 2-(4-Bromobutoxy)tetrahydro-2H-pyran, molecular formula is C9H17BrO2. In a Patent£¬once mentioned of 31608-22-7

Racemic prostaglandins of the 2-series and analogs thereof

This invention is racemic PGE2, racemic PGF2alpha, racemic PGF2beta, racemic PGA2, racemic PGB2, analogs of those, and processes of making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, abortion, and wound healing.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 31608-22-7 is helpful to your research., Reference of 31608-22-7

Reference£º
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

In an article, published in an article, once mentioned the application of 31608-22-7, Name is 2-(4-Bromobutoxy)tetrahydro-2H-pyran,molecular formula is C9H17BrO2, is a conventional compound. this article was the specific content is as follows.Application In Synthesis of 2-(4-Bromobutoxy)tetrahydro-2H-pyran

A mild and efficient method for bromination of alcohols using alpha,alpha-dibromo-beta-dicarbonyl compounds as halogen sources

Exploration of alpha,alpha-dibromo-beta-dicarbonyl compounds as novel bromine agents for the conversion of alcohols to alkyl bromides under neutral conditions has been achieved. This method can be used for acid-sensitive substrates and allows the bromination of various primary and secondary alcohols to proceed at room temperature within a very short period of time.

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Reference£º
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

In an article, published in an article, once mentioned the application of 31608-22-7, Name is 2-(4-Bromobutoxy)tetrahydro-2H-pyran,molecular formula is C9H17BrO2, is a conventional compound. this article was the specific content is as follows.HPLC of Formula: C9H17BrO2

The cobalt-catalyzed cross-coupling reaction of alkyl halides with alkyl Grignard reagents: A new route to constructing quaternary carbon centers

The cross-coupling of alkyl (pseudo)halides with alkyl Grignard reagents is catalyzed efficiently by a cobalt(II) chloride-lithium iodide-1,3-diene catalytic system, which provides a new synthetic tool for constructing sp 3 carbon chains. This system is particularly useful for creating quaternary carbon centers via the use of tertiary alkyl Grignard reagents. Various functional groups including esters, amides and carbamates are well tolerated.

Do you like my blog? If you like, you can also browse other articles about this kind. HPLC of Formula: C9H17BrO2. Thanks for taking the time to read the blog about 31608-22-7

Reference£º
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

31608-22-7, 2-(4-Bromobutoxy)tetrahydro-2H-pyran is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

PREPARATION 10 7-tetrahydropyranyloxyhept-2-yne-1-ol (Formula XXII: A is trimethylene). Lithium metal (7.7 g.) is added in small pieces with stirring to a solution of ferric nitrate (300 mg.) in 1 l. of liquid ammonia. The mixture is then stirred under reflux until the blue color is replaced by a pale grey color. Then, a solution of propargyl alcohol (28 g.) in 250 ml. of diethyl ether is added slowly with stirring. After stirring 2 hours under reflux, a solution of 1-tetrahydropyranyloxy-4-bromobutane (118 g.) in 250 ml. of diethyl ether is added slowly with stirring. After stirring 4 hours under reflux, 300 ml. of water and then 300 ml. of diethyl ether are added. The mixture is stirred about 15 hours, the ammonia being allowed to evaporate during that time. The diethyl ether layer is separated, washed with water and with saturated aqueous sodium chloride solution, dried, and evaporated under reduced pressure to give a residue. The residue is chromatographed on 4 kg. of silica gel, eluding with 8 l. 20%, 6 l. 40%, 6 l. 60%, 6 l. 80%, and 9 l. 100% ethyl acetate-Skellysolve B mixtures, collecting 1.5 l. fractions. Fractions 9-12 are combined and evaporated to give 56 g. of 7-tetrahydropyranyloxyhept-2-yne-1-ol., 31608-22-7

As the paragraph descriping shows that 31608-22-7 is playing an increasingly important role.

Reference£º
Patent; The Upjohn Company; US3983155; (1976); A;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.31608-22-7,2-(4-Bromobutoxy)tetrahydro-2H-pyran,as a common compound, the synthetic route is as follows.

2-[4-(2,3-Difluorophenoxy)-butoxy]-tetrahydropyran (20) To a solution of 2-(4-bromobutoxy)-tetrahydropyran (18) (1 equi.) and commercially available 2,3-difluorophenol (19) (1 equi.) in DMF (3 mL/mmole), cesium carbonate (1.25 equi.) was added at room temperature. The reaction mixture was stirred at that temperature for 24 h, quenched with water, extracted with ethyl acetate:hexane (1:1), washed with brine, dried over MgSO4, and concentrated in vacuo. Purification by chromatography on silica gel (5% EtOAc/hexanes) and recrystallization from acetonitrile gave 2-[4-(2,3-difluorophenoxy)-butoxy]-tetrahydropyran(20), as a white solid (84%)., 31608-22-7

As the paragraph descriping shows that 31608-22-7 is playing an increasingly important role.

Reference£º
Patent; Wand, Michael; Gough, Neil; Chen, Xin Hua; US2003/17278; (2003); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics