Henan Allgreen Chemical Co.,Ltd
high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
Ality Chemical Corporation
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Dayang Chem (Hangzhou) Co.,Ltd.
DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:78-85-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryChemwill Asia Co., Ltd.
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Henan Tianfu Chemical Co., Ltd.
Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
Cas:78-85-3
Min.Order:1 Gram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryHenan Sinotech Import&Export Corporation
Synonyms: 2-METHYL-2-PROPENAL;2-METHYL-PROPENAL;METHACRYLALDEHYDE;METHACROLEIN;2-Formyl-1-propene;2-Methyl-2-propen-1-al;2-methyl-2-propena;2-methyl-acrolei CAS: 78-85-3 MF: C4H6O
Henan Wentao Chemical Product Co., Ltd.
Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Triumph International Development Limilted
Appearance:white powder/crystal Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Ai
Cas:78-85-3
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquirySHANGHAI T&W PHARMACEUTICAL CO., LTD.
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Hangzhou Keyingchem Co.,Ltd
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:78-85-3
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryHangzhou J&H Chemical Co., Ltd.
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Zibo Hangyu Biotechnology Development Co., Ltd
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Jinan Finer Chemical Co., Ltd
Name Methacrolein Cas 78-85-3 Appearance: colorless transparent liquid Capacity：2000MT/year Application: organic intermediate Assay: min99% Standard: enterprise Package: 200kg/drum Synonyms 2-Methyl-2-propenal; 2-Methylacrolei
Hangzhou Zhongqi chem Co.,Ltd.
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
Kono Chem Co.,Ltd
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Aecochem Corp.
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Hunan chemfish Pharmaceutical co.,Ltd
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Zhuozhou Wenxi import and Export Co., Ltd
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:78-85-3
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAntimex Chemical Limied
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Hunan Russell Chemicals Technology Co.,Ltd
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Xiamen AmoyChem Co.,Ltd
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Hubei Langyou International Trading Co., Ltd
methacrylaldehyde CAS:78-85-3 2-Methyl propenal Application:methacrylaldehyde CAS:78-85-3 2-Methyl propenal
Cas:78-85-3
Min.Order:0
Negotiable
Type:Other
inquiryHunan Longxianng Runhui Trading Co.,Ltd
methacrylaldehyde CAS:78-85-3 2-Methyl propenalAppearance:Clear colorless liquid Storage:Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store p
Cas:78-85-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAmadis Chemical Co., Ltd.
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:78-85-3
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryZouping Mingxing Chemical Co.,Ltd.
Name Methacrolein Synonyms 2-Methyl-2-propenal; 2-Methylacrolein; Isobutenal; Methacrylaldehyde Molecular Structure
Changzhou Extraordinary Pharmatech co.,LTD
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Shanghai Run-Biotech Co., Ltd.
Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrat
Synthetic route
| Conditions | Yield |
|---|---|
| With acetic acid; dimethyl amine at 170 - 180℃; under 52505.3 Torr; for 0.00277778h; Flow reactor; | 98.1% |
| With secondary amine salt In water at 15 - 44℃; for 1h; | 96.6% |
| With L-proline In water at 42.84℃; for 0.5h; Kinetics; Mechanism; Reagent/catalyst; Temperature; Green chemistry; | 91.1% |
| Conditions | Yield |
|---|---|
| With aluminum oxide; pyridinium chlorochromate In hexane for 0.2h; Ambient temperature; | 98% |
| With manganese(IV) oxide In diethyl ether Oxidation; | 76% |
| at 500℃; beim Leiten ueber Messing; |
| Conditions | Yield |
|---|---|
| With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h; | 94% |
| Conditions | Yield |
|---|---|
| With oxygen In water at 350℃; under 750.075 Torr; | 91.1% |
| With air; cobalt molybdenum at 319.9 - 379.9℃; Rate constant; Product distribution; | 88.1% |
| With silicsa-alumina supported Mo12Bi1.7Fe2.0Co6.75Ni1.0Cs0.2Ox In water at 345℃; for 200h; Temperature; Inert atmosphere; | 81.07% |
| Conditions | Yield |
|---|---|
| With water; iodine In 1,4-dioxane for 24h; Reflux; | 91% |
| Conditions | Yield |
|---|---|
| With oxygen; Bi-Mo oxide (1/1) at 400℃; Rate constant; Kinetics; also without O2; other temperature; | 90% |
| With oxygen; Mo-Bi-Fe-Co-Ni-K based mixed metal oxide In water at 340 - 360℃; under 760.051 Torr; for 100h; | 89.9% |
| With Mo12Bi0.5Fe2.4Co7.2Zn1.1Sb0.7Si7W0.3K0.5O(x); water; oxygen at 340℃; for 0.001h; Sealed tube; Inert atmosphere; | 88.8% |
| Conditions | Yield |
|---|---|
| With nitrogen; Mo12Co5.7Fe3.8Bi0.5Ce0.1Tl0.3Sb0.5O49.1; water; oxygen at 380℃; for 10005h; Reagent/catalyst; | A 65% B 89% |
-
-
115-11-7
isobutene
-
A
-
78-85-3
2-methylpropenal
-
B
-
124-38-9
carbon dioxide
-
C
-
201230-82-2
carbon monoxide
| Conditions | Yield |
|---|---|
| With air; pelleted Fe-Te-Mo-O at 430℃; Yields of byproduct given; | A 83.8% B n/a C n/a |
| With air; pelleted Fe-Te-Mo-O at 430℃; Product distribution; further temperatures: 370, 400 deg C; effect of various catalyst supports investigated; | A 83.8% B n/a C n/a |
| With oxygen multicomponent oxide catalyst(Co, Mo, Bi, Sb, Fe, K); |
| Conditions | Yield |
|---|---|
| With dipotassium peroxodisulfate; palladium diacetate; trifluoroacetic acid; 3-amino propanoic acid In acetonitrile at 60℃; for 24h; Sealed tube; | 82% |
| With oxygen; C4H8N3O2Pb(1+)*CF3O3S(1-) In various solvent(s) under 760 Torr; Ambient temperature; Yield given; | |
| at 400℃; Dehydrierung an einem Cu-Cr-Zn-Cd-Oxydkatalysator; |
-
-
75-65-0
tert-butyl alcohol
-
A
-
78-85-3
2-methylpropenal
-
B
-
79-41-4
poly(methacrylic acid)
-
C
-
115-11-7
isobutene
| Conditions | Yield |
|---|---|
| With oxygen; silica-alumina In water at 355℃; Product distribution / selectivity; | A 78.4% B 1.9% C 1.1% |
| With oxygen; silica-alumina In water at 355℃; Product distribution / selectivity; | A 78.1% B 2.2% C 1% |
| With oxygen; 5% Pd/zirconia In water at 130℃; under 36003.6 Torr; Product distribution / selectivity; autoclave; | |
| With oxygen; palladium on silica gel In water at 130℃; under 36003.6 Torr; Product distribution / selectivity; autoclave; |
-
-
115-11-7
isobutene
-
A
-
78-85-3
2-methylpropenal
-
B
-
64-17-5
ethanol
-
C
-
67-64-1
acetone
-
D
-
75-05-8
acetonitrile
-
E
-
107-12-0
propiononitrile
-
F
-
126-98-7
methacrylonitrile
| Conditions | Yield |
|---|---|
| With nitrogen(II) oxide; nickel(II) oxide; aluminum oxide at 410℃; Product distribution; var. cat.: pure NiO, NiO supported by alumina, silica, magnesia, alumina-magnesia, silica-alumina, silica-magnesia; var. temp.; | A 4.5% B 2% C 2.5% D 7.5% E 2% F 76% |
-
-
115-11-7
isobutene
-
A
-
78-85-3
2-methylpropenal
-
B
-
67-64-1
acetone
-
C
-
75-05-8
acetonitrile
-
D
-
126-98-7
methacrylonitrile
| Conditions | Yield |
|---|---|
| With nitrogen(II) oxide; nickel(II) oxide; aluminum oxide at 410℃; var. cat. and temp.; | A 4.5% B 2.5% C 7.5% D 76% |
-
-
115-11-7
isobutene
-
A
-
78-85-3
2-methylpropenal
-
B
-
79-41-4
poly(methacrylic acid)
-
C
-
64-19-7
acetic acid
| Conditions | Yield |
|---|---|
| With air; water; CoMoTeO at 425℃; | A 68.2% B 9% C 1% |
| With air; V-Mo-Te-O at 405℃; | A 59% B 6% C 3% |
| With air; water; CoMoTeO at 375℃; Product distribution; Thermodynamic data; direct catalytic oxidation; varying: temperatures: 300 to 450 deg C; reactant composition; | A 27.5% B 39.5% C 4% |
| Conditions | Yield |
|---|---|
| With air; iron-tellurium-molybdenum-oxide at 419.85℃; for 0.000916667h; Product distribution; Further Variations:; Temperatures; Catalysts; time of contact; Oxidation; | A 64.8% B n/a |
| Conditions | Yield |
|---|---|
| With oxygen; ozone In gas Product distribution; gas-phase ozonolysis of alkenes; formation of OH radicals; use of CO as scavenger for OH radicals; | A 54% B 28% C 21% |
-
-
50-00-0
formaldehyd
-
-
123-38-6
propionaldehyde
-
A
-
78-85-3
2-methylpropenal
-
B
-
14250-96-5, 16958-22-8, 623-36-9
2-methyl-2-pentenal
| Conditions | Yield |
|---|---|
| With aniline hydrochloride In N,N-dimethyl acetamide at 125℃; for 3h; Autoclave; | A 30% B 17% |
| Conditions | Yield |
|---|---|
| With phosphoric acid; oxygen; 4-methoxy-phenol; palladium 10% on activated carbon In tert-butyl alcohol at 90℃; under 2250.23 - 30003 Torr; for 2h; Product distribution / selectivity; Heating / reflux; | A 24.6% B 9.2% |
| With oxygen; 4-methoxy-phenol; palladium 10% on activated carbon In tert-butyl alcohol at 90℃; under 2250.23 - 30003 Torr; for 2h; Product distribution / selectivity; Heating / reflux; | A 10.8% B 3.3% |
| With nitrogen; water; Mo12Bi1Fe1.5Co8Zn0.2Cs0.4Sb0.8Ox on graphite at 325 - 340℃; Conversion of starting material; Industry scale; Continuous process; |
| Conditions | Yield |
|---|---|
| With air; dihydrogen peroxide for 0.5h; Product distribution; Kinetics; Further Variations:; Reagents; Oxidation; UV-irradiation; | A 2.8% B 19.1% C 20.5% D 3.7% |
| Conditions | Yield |
|---|---|
| With oxygen; Mo1.0V0.3Nb0.1On at 350℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 0.2% B 18% |
| With oxygen; Mo1.0V0.3Sb0.7Nb0.1On at 430℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 2.3% B 0.1% |
| With oxygen; Mo1.0V0.3Te0.16Nb0.1On at 430℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 1.4% B 0.1% |
| Conditions | Yield |
|---|---|
| With oxygen; Mo1.0Sb0.5Ce0.09Sn0005Ag0001On at 525℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 11.5% B 0.3% C 4.2% |
| With oxygen; Mo1.0Sb0.5Ce0.09Ag0003On at 500℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 9.8% B 0.5% C 1.2% |
| With oxygen; Mo1.0Sb0.5Ce0.1On at 500℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 8.9% B 0.3% C 0.9% |
| With oxygen; Mo1.0Sb0.5Bi0.1Sn0.01On at 500℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 8.2% B 0.3% C 5.1% |
| With oxygen; MoV0.3Te0.23P0.3 at 400℃; Product distribution; Further Variations:; Temperatures; Catalysts; | A 3.4 % Chromat. B 3.6 % Chromat. C 6.4 % Chromat. |
| Conditions | Yield |
|---|---|
| With oxygen; Mo1.0V0.3Te0.16Nb0.2On at 390℃; under 760.051 Torr; Product distribution / selectivity; Gas phase; | A 1.9% B 0.4% C 1.8% |
| With oxygen; 2.5Cs(1+)*0.34H(1+)*0.08Ni(2+)*PMo12O40(3-)=Cs2.5H0.34Ni0.08PMo12O40 at 340℃; Product distribution; var. conc. of Cs in catalyst, effect of var. transition metals; | |
| With Mo12O40P; oxygen at 623℃; other catalysts; | |
| With Mo11O40PV(4-)*2.5H4N(1+)*H(1+)*0.5Cs(1+); oxygen at 340℃; under 760.051 Torr; for 18h; |
| Conditions | Yield |
|---|---|
| With oxygen; bis(ethylene)rhodium acetylacetonate In toluene at 80℃; under 37503 Torr; for 1h; | A 1% B 1.3% |
| With oxygen; bis(ethylene)rhodium acetylacetonate In toluene at 80℃; under 37503 Torr; for 1h; | A 1% B 1.3% |
| With ozone at 24.9℃; under 760 Torr; Rate constant; Thermodynamic data; other temperatures (240-324 K), Arrhenius parameters; | A 35 % Chromat. B 18 % Chromat. |
| With dinitrogen pentoxide at 296℃; under 740 Torr; Mechanism; mechanism of the reaction with NO3 radical; |
-
-
33972-94-0
dihydro-4-methylfuran-2,3-dione
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| at 300℃; Erhitzen im Stickstoff-Strom; | |
| at 280 - 300℃; |
| Conditions | Yield |
|---|---|
| at 450℃; |
-
-
25245-58-3
2-methylpropane-1,2,3-triol
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| With sulfuric acid | |
| With sulfuric acid |
-
-
23553-27-7
1,1-diethoxy-2-methyl-2-propene
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| With sulfuric acid | |
| With tartaric acid | |
| With sulfuric acid |
-
-
76539-14-5
3-chloro-2-methylpropenol
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| With sulfuric acid; isobutyric Acid | |
| With sulfuric acid |
-
-
28051-68-5, 73502-59-7, 72589-84-5
2-methyl-2-propene-1-al oxime
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| With acetic acid; sodium nitrite at 60 - 70℃; |
-
-
78-85-3
2-methylpropenal
-
-
120686-00-2
methyl 2-methoxy-6-hydroxy-7,8-dihydro-5-quinolinecarboxylate
-
-
120686-01-3
(+/-)-7,8,9,10-tetrahydro-8-hydroxy-2-methoxy-7-methyl-11-oxo-5,9-methanocycloocta[b]pyridine-5(6H)-carboxylic acid methyl ester
| Conditions | Yield |
|---|---|
| With quinindine for 43h; | 100% |
| N,N,N',N'-tetramethylguanidine In dichloromethane Ambient temperature; | 93% |
| Conditions | Yield |
|---|---|
| With N,N,N,N,N,N-hexamethylphosphoric triamide; chloro-trimethyl-silane; lithium iodide In various solvent(s) at -78℃; for 1h; | 100% |
-
-
78-85-3
2-methylpropenal
-
-
64889-46-9
n-pentylcopper
-
-
49642-49-1, 55352-42-6, 72598-55-1, 7786-29-0
2-methyl-1-octanal
| Conditions | Yield |
|---|---|
| With N,N,N,N,N,N-hexamethylphosphoric triamide; chloro-trimethyl-silane; lithium iodide In various solvent(s) at -78℃; for 0.1h; | 100% |
-
-
78-85-3
2-methylpropenal
-
-
250696-15-2
4-(2-(S)-methoxymethyl-pyrrolidin-1-yl)-3-(tert-butyldimethylsiloxy)-1,3-butadiene
| Conditions | Yield |
|---|---|
| In toluene Diels-Alder reaction; a) -20 deg C, 30 min, b) RT, 22 h; | 100% |
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| In toluene Diels-Alder reaction; a) -20 deg C, 30 min, b) RT, 22 h; | 100% |
-
-
78-85-3
2-methylpropenal
-
-
243468-48-6
bis(2-pyridyldimethylsilyl)methane
-
-
270589-04-3
(E,E)-2-pyridyldimethyl(3-methylbuta-1,3-dienyl)silane
| Conditions | Yield |
|---|---|
| Stage #1: bis(2-pyridyldimethylsilyl)methane With n-butyllithium In diethyl ether; hexane at -78℃; Metallation; Stage #2: 2-methylpropenal In diethyl ether; hexane at -78 - 20℃; Peterson-type olefination; Further stages.; | 100% |
| Stage #1: bis(2-pyridyldimethylsilyl)methane With n-butyllithium In diethyl ether; hexane at -78℃; for 1h; Stage #2: 2-methylpropenal In diethyl ether; hexane at -78 - 20℃; for 1.5h; Peterson-type olefination; |
-
-
78-85-3
2-methylpropenal
-
-
287401-11-0
(1R,4aR,8aS)-1,4a-Dimethyl-5-vinyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalene-1-carboxylic acid methyl ester
-
-
287401-12-1
(1R,4aR,10aS)-8-Formyl-1,4a,8-trimethyl-1,2,3,4,4a,6,7,8,8a,9,10,10a-dodecahydro-phenanthrene-1-carboxylic acid methyl ester
| Conditions | Yield |
|---|---|
| at 25℃; for 8h; Diels-Alder cycloaddition; | 100% |
| at 25℃; for 8h; Cycloaddition; Diels-Alder reaction; | 100% |
| at 25℃; for 8h; Diels-Alder Reaction; Neat (no solvent); | 100% |
-
-
78-85-3
2-methylpropenal
-
-
420838-62-6
N-benzyl-N-[(1S,6R)-6-formyl-6-methyl-2-cyclohexen-1-yl]carbamic acid methyl ester
| Conditions | Yield |
|---|---|
| With 4 A molecular sieve; TBDMS-substituted (1R,2R)-salen-Co(III)-SbF6 In dichloromethane at 20℃; for 20h; Diels-Alder cycloaddition; | 100% |
-
-
78-85-3
2-methylpropenal
-
-
20433-10-7
5-(4-methoxyphenyl)-2-phenyl-2H-tetrazole
| Conditions | Yield |
|---|---|
| In benzene for 2h; UV-irradiation; | 100% |
| Conditions | Yield |
|---|---|
| Stage #1: (1R,4R)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-one With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at 0℃; Stage #2: 2-methylpropenal In tetrahydrofuran; hexane at -78℃; Further stages.; | 100% |
| Conditions | Yield |
|---|---|
| With 10H-phenothiazine; hydroquinone at 40℃; for 22h; Reagent/catalyst; Concentration; Inert atmosphere; | 99% |
| With 1.5 % Au/alumina; oxygen at 60℃; under 9034.64 Torr; Catalytic behavior; chemoselective reaction; | 99.7% |
| With oxygen at 69.84℃; under 1500.15 Torr; for 2h; Reagent/catalyst; Autoclave; | 98% |
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| Stage #1: 2-methylpropenal; triisopropylsilyl (E)-propylideneazinate With trifluorormethanesulfonic acid; (S)-3,3-diphenyl-1-(o-tolyl)hexahydropyrrolo[1,2-c]-[1,3,2]oxazaborole In dichloromethane; toluene at -60℃; for 12h; Inert atmosphere; Schlenk technique; Stage #2: With sodium tetrahydroborate In methanol; dichloromethane; toluene at -60 - 20℃; Catalytic behavior; Reagent/catalyst; Solvent; enantioselective reaction; | 99.7% |
-
-
78-85-3
2-methylpropenal
-
-
542-92-7
cyclopenta-1,3-diene
-
-
34618-30-9, 34618-31-0, 40441-67-6, 72203-36-2, 72204-08-1, 112710-18-6, 116299-25-3, 126924-44-5, 142506-91-0
endo-bicyclo[2.2.1]hept-5-ene-2-methyl-2-carboxaldehyde
| Conditions | Yield |
|---|---|
| With C30H29B2Br6N2O6P In dichloromethane at -78℃; for 1h; Reagent/catalyst; Diels-Alder Cycloaddition; Schlenk technique; Inert atmosphere; Molecular sieve; enantioselective reaction; | 99% |
| With [BCl2(1-methylimidazole)][Al2Cl7] In neat (no solvent) at 0℃; for 0.0833333h; Diels-Alder Cycloaddition; Inert atmosphere; | 91% |
| In benzene at 20℃; | |
| In benzene at 80℃; | |
| With C35H56AlNO2S In chloroform-d1 at 20℃; for 1.5h; Reagent/catalyst; Diels-Alder Cycloaddition; Inert atmosphere; diastereoselective reaction; | 27 %Spectr. |
-
-
78-85-3
2-methylpropenal
-
-
72507-50-7
2-methyl-2-(trimethylsilyloxy)-3-pentanone
-
-
100806-39-1
(4R*,5R*)-5-hydroxy-2,4,6-trimethyl-2-<(trimethylsilyl)oxy>-6-hepten-3-one
| Conditions | Yield |
|---|---|
| Stage #1: 2-methyl-2-(trimethylsilyloxy)-3-pentanone With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; Inert atmosphere; Stage #2: 2-methylpropenal In tetrahydrofuran; hexane at -78℃; for 0.25h; Inert atmosphere; | 99% |
| With lithium diisopropyl amide 1.) THF, hexane, -78 deg C, 25 min, 2.) from -78 deg C to RT; Yield given. Multistep reaction; |
-
-
78-85-3
2-methylpropenal
-
-
542-92-7
cyclopenta-1,3-diene
-
-
72203-36-2
(2R)-2-methylbicyclo[2.2.1]hept-5-ene-2-carbaldehyde
| Conditions | Yield |
|---|---|
| With (R)-3,3'-bis(2-hydroxyphenyl)-2,2'-dihydroxy-1,1'-binaphthyl-boric acid In tetrahydrofuran; dichloromethane at -78℃; for 4h; | 99% |
| With (R)-3,3'-di(2-hydroxyphenyl)-2,2'-dihydroxy-1,1'-binaphthyl*B(OMe)3 In tetrahydrofuran; dichloromethane at -78℃; for 4h; | 99% |
| With 2,6-di-tert-butyl-pyridine; boron tribromide; (2S,5S)-N-2-hydroxybenzyl-2,5-dibenzylpyrrolidine In dichloromethane at -94℃; for 1h; Diels-Alder reaction; | 96% |
-
-
78-85-3
2-methylpropenal
-
-
141-78-6
ethyl acetate
-
-
122622-90-6
Ethyl (+/-)-3-hydroxy-4-methyl-4-pentenoate
| Conditions | Yield |
|---|---|
| Stage #1: ethyl acetate With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.333333h; Stage #2: 2-methylpropenal In tetrahydrofuran at -78℃; for 1h; | 99% |
| With lithium diisopropyl amide In tetrahydrofuran | 91% |
| With lithium diisopropyl amide In tetrahydrofuran; hexane at -60 - -30℃; for 0.833333h; | 91% |
-
-
78-85-3
2-methylpropenal
-
-
300545-19-1
(E)-3-(tert-butyldimethylsiloxy)-1-(2-oxazolidinon-3-yl)-1,3-butadiene
| Conditions | Yield |
|---|---|
| In toluene at 55℃; for 20h; Diels-Alder reaction; | 99% |
| In chloroform-d1 at 22℃; Kinetics; Further Variations:; Solvents; temperature; Diels-Alder reaction; |
-
-
78-85-3
2-methylpropenal
-
-
542-92-7
cyclopenta-1,3-diene
-
-
142506-91-0
(1S,2S,4S)-2-Methylbicyclo<2.2.1>hept-5-en-2-carbaldehyd
| Conditions | Yield |
|---|---|
| With C66H29B2F30N2O6P In dichloromethane at -78℃; for 1h; Reagent/catalyst; Diels-Alder Cycloaddition; Schlenk technique; Inert atmosphere; Molecular sieve; enantioselective reaction; | 99% |
| silver hexafluoroantimonate; [η6-cymene)RuCl(L4)]SbF6 In dichloromethane at -24℃; for 16h; | 95% |
| Conditions | Yield |
|---|---|
| (S)-oxazaborolidine-aluminum bromide at -78℃; for 16h; Diels-Alder reaction; | 99% |
| With trifluorormethanesulfonic acid; chiral oxazaborolidine In dichloromethane at -78℃; for 13h; Diels-Alder reaction; | 96% |
| With aluminum tri-bromide; C24H22BF2NO In methanol at -10℃; Reagent/catalyst; Temperature; Diels-Alder Cycloaddition; enantioselective reaction; | n/a |
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| In dichloromethane stirring (5 min); removal of volatiles (vac.); | 99% |
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| In neat (no solvent) under dry N2 or Ar, using Schlenk techniques; excess neat methacrolein; pptd. with petroleum ether; | 99% |
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| In neat (no solvent) under dry N2 or Ar, using Schlenk techniques; excess neat methacrolein; pptd. with petroleum ether; | 99% |
-
-
78-85-3
2-methylpropenal
| Conditions | Yield |
|---|---|
| With molecular sieves In dichloromethane byproducts: water; (Ar); addn. of an excess of methacrolein and molecular sieves to soln. of (S(Ir)R(C))-(η5-C5Me5)Ir(cyphos)(H2O)(SbF6)2 in CH2Cl2 at -25°C, stirring for 20 min; filtration through a cannula, concn., addn. of n-hexane, filtration, washing with n-hexane, vac.-drying; elem. anal.; | 99% |
| Conditions | Yield |
|---|---|
| With bis(1,5-cyclooctadiene)dichloro[1,3-bis(1′-butylbenzimidazol-2′-yliden-3′-yl)benzene]dirhodium(I) In benzene-d6 at 20℃; for 20h; Catalytic behavior; Time; Reagent/catalyst; | 99% |
| Conditions | Yield |
|---|---|
| With hydrogen In acetone at 20℃; under 760.051 Torr; for 0.25h; chemoselective reaction; | 99% |
| With hydrogen; sodium triethylborohydride In tetrahydrofuran at 23℃; under 30402 Torr; for 72h; Catalytic behavior; Inert atmosphere; Schlenk technique; | 76% |
| With hydrogen In ethyl acetate at 20℃; under 760.051 Torr; for 0.25h; chemoselective reaction; |
-
-
78-85-3
2-methylpropenal
-
-
33673-73-3
2,3-dibromo-2-methylpropanal
| Conditions | Yield |
|---|---|
| With bromine In dichloromethane at 20℃; for 2.5h; | 98% |
| With bromine at 50℃; for 2h; | 60% |
| With carbon disulfide; bromine | |
| With bromine | |
| With bromine In dichloromethane at 10℃; |
-
-
78-85-3
2-methylpropenal
-
-
10141-22-7
2-methyl-2,3-dichloropropionaldehyde
| Conditions | Yield |
|---|---|
| With chlorine at -5 - 0℃; for 1.5h; Neat (no solvent); | 98% |
| With chlorine at 50℃; for 2h; | 76% |
| With chlorine | |
| With chlorine |
-
-
78-85-3
2-methylpropenal
-
-
542-92-7
cyclopenta-1,3-diene
-
-
34618-30-9, 34618-31-0, 40441-67-6, 72203-36-2, 72204-08-1, 112710-18-6, 116299-25-3, 126924-44-5, 142506-91-0
exo-2-methylbicyclo[2.2.1]hept-5-ene-2-carbaldehyde
| Conditions | Yield |
|---|---|
| With C31H28BNO; tin(IV) chloride In dichloromethane at -78℃; for 2h; Reagent/catalyst; Diels-Alder Cycloaddition; Reflux; stereoselective reaction; | 98% |
| With 2,2'-bis(dibenzo[a,c]-1,3,2-dioxaborepin-2-yloxy)biphenyl In dichloromethane at -78℃; for 24h; Diels-Alder reaction; | 97% |
| With bis<2-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)phenolato-N,O>-zirconium(IV) triflate In dichloromethane at -78 - 20℃; | 75% |
Related products
Hot Products
F,
TAbout|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View