1740-74-5

Basic information

• Product Name: 1 1-DIETHOXY-3-METHYL-2-BUTENE 97
• Synonyms: 1,1-diethoxy-3-Methylbut-2-ene;1,1-Diethoxy-3-Methyl-2-butene 97%;1 1-DIETHOXY-3-METHYL-2-BUTENE 97
• CAS NO: 1740-74-5
• Molecular Formula: C₉H₁₈O₂
• Molecular Weight: 158.239
• Product Categories: Alkenes;Organic Building Blocks;Building Blocks;Chemical Synthesis;Organic Building Blocks;Acyclic
• Mol File: 1740-74-5.mol
• Article Data: 13

Chemical Properties

• Boiling Point: 53-58 °C20 mm Hg(lit.)
• Flash Point: 140 °F
• Appearance: /
• Density: 0.837 g/mL at 25 °C(lit.)
• Vapor Pressure: 0.953mmHg at 25°C
• Refractive Index: n20/D 1.421(lit.)
• CAS DataBase Reference: 1 1-DIETHOXY-3-METHYL-2-BUTENE 97(CAS DataBase Reference)
• NIST Chemistry Reference: 1 1-DIETHOXY-3-METHYL-2-BUTENE 97(1740-74-5)
• EPA Substance Registry System: 1 1-DIETHOXY-3-METHYL-2-BUTENE 97(1740-74-5)

Safety Data

• RIDADR: UN 3271 3/PG 3
• WGK Germany: 3
• Hazardous Substances Data: 1740-74-5(Hazardous Substances Data)

Usage

Description

1,1-Diethoxy-3-methyl-2-butene, an acyclic alkene, is an organic compound characterized by its unique molecular structure featuring a carbon-carbon double bond flanked by two ethoxy groups and a methyl group. 1 1-DIETHOXY-3-METHYL-2-BUTENE 97 serves as a versatile intermediate in various chemical reactions and synthesis processes.

Uses

Used in Pharmaceutical Industry:
1,1-Diethoxy-3-methyl-2-butene is used as a synthetic intermediate for the production of complex organic molecules, specifically in the synthesis of bioactive compounds such as 6,6,10-trimethyl-4-propyl-10,11-dihydro-2H,6H,12H-dipyrano[2,3-f:2′,3′-h]chromene-2,12-dione and angular pyranocoumarins. These compounds hold potential applications in the development of new drugs and therapeutic agents.
Used in Chemical Research:
In the field of chemical research, 1,1-Diethoxy-3-methyl-2-butene is utilized as a starting material for the synthesis of various organic compounds, including 6-cyano-2,2-dimethyl-2-H-1-benzopyran. 1 1-DIETHOXY-3-METHYL-2-BUTENE 97 can be further modified or used as a building block in the creation of novel chemical entities with potential applications in various industries.
Overall, 1,1-Diethoxy-3-methyl-2-butene plays a significant role in the synthesis of complex organic molecules and contributes to the advancement of pharmaceuticals, chemical research, and other related industries.

InChI:InChI=1/C9H18O2/c1-5-10-9(11-6-2)7-8(3)4/h7,9H,5-6H2,1-4H3

Upstream product

• 7463-52-7 2-bromo-1,1-diethoxy-3-methyl-butane 
• 865-47-4 potassium tert-butylate 
• 122-51-0 orthoformic acid triethyl ester 
• 107-86-8 3,3-dimethyl acrylaldehyde 
• 5329-14-6 aminosulfonic acid 
• 3842-03-3 isovaleraldehyde diethyl acetal 
• 590-86-3 isovaleraldehyde 
• 1825-62-3 ethyl trimethylsilyl ether 
• 5344-23-0 diethoxyacetaldehyde 
• 1530-33-2 isopropyltriphenylphosphonium bromide 
• 3017-69-4 2-methyl-1-propenylbromide 
• 14444-77-0 diethyl phenyl orthoformate 
• 64-17-5 ethanol 
• 17466-13-6 1-ethoxy-3-methyl-buta-1,3-diene 

Downstream Products

• 167482-50-0 1,2-O-Isopropylidene-3-O-(p-phenylbenzyl)-4,5-O-<(1'R)-3'-methyl-2'-buten-1'-yl>-β-D-fructopyranose 
• 107-86-8 3,3-dimethyl acrylaldehyde 
• 922-63-4 ethylacrolein 
• 1005322-18-8 3-benzyl-4,6,6,10-tetramethyl-10,11-dihydro-2H,6H,12H-dipyrano[2,3-f:2',3'-h]chromene-2,12-dione 
• 1005322-33-7 6,6,10-trimethyl-4-p-nitrophenyl-2H,6H,12H-benzo[1,2-b:3,4-b':5,6-b'']tripyranyl-2,12-dione 
• 1005322-35-9 6,6,10-trimethyl-4-(3,4,5-trimethoxylphenyl)-2H,6H,12H-benzo[1,2-b:3,4-b':5,6-b'']tripyranyl-2,12-dione 
• 1005322-28-0 6,6-dimethyl-4-n-propyl-10-phenyl-2H,6H,12H-benzo[1,2-b:3,4-b':5,6-b'']tripyranyl-2,12-dione 
• 1005322-29-1 6,6-dimethyl-4-n-propyl-10-(p-methylphenyl)-2H,6H,12H-benzo[1,2-b:3,4-b':5,6-b'']tripyranyl-2,12-dione 
• 303007-22-9 2,2-dimethyl-8-oxo-10-propyl-2H,8H-pyrano[2,3-f]chromen-5-yl 4-methylbenzenesulfonate 
• 518-76-3 (+)-(3'S,4'R)-trans-khellactone 
• 55481-88-4 mollugin 
• 135082-85-8 2,2-dimethyl-2H-1-benzopyran-6-amine 
• 523-59-1 seseline 
• 14590-53-5 (+)-1S-2,2-dimethylcyclopropane-carboxylic acid 

Relevant articles and documents

Synthesis of 6-Cyano-2,2-dimethyl-2H-1-benzopyran and Other Substituted 2,2-dimethyl-2H-1-benzopyrans

A practical synthesis of 6-cyano-2,2-dimethyl-2H-1-benzopyran (1) has been developed.This process involves the pyridine-catalyzed condensation of 1,1-diethoxy-3-methyl-2-butene (6) with 4-cyanophenol (3) in toluene or xylene at elevated temperatures.The development of this process, including an evaluation of solvents, bases, acid catalysts, and alterantive acetals, along with an improved synthesis of 1,1-diethoxy-3-methyl-2-butene, is discussed.Using this method, a variety of other substituted 2,2-dimethyl-2H-1-benzopyrans were synthesized.

Isoflavone type compound as well as preparation method and application thereof

The invention provides an isoflavone type compound and a preparation method thereof. A structural formula of the isoflavone type compound is shown as a formula and the formula is shown in the description, wherein R is a formula shown in the description, a

Asymmetric epoxidation of chromenes mediated by iminium salts: Synthesis of mollugin and (3S,4R)-trans-3,4-dihydroxy-3,4-dihydromollugin

Organocatalytic asymmetric epoxidation of chromenes mediated by iminium salt catalysts under non-aqueous conditions provided ees as high as 99%. Contrastingly, reaction under aqueous conditions can form the corresponding diol products with ees as high as 71%. The process has been used for the synthesis of the East African medicinal plant metabolite (3S,4R)-trans-3,4-dihydroxy-3,4-dihydromollugin.