As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for t
Cas:2033-24-1
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inquiryzhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed produc
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/578.html
Cas:2033-24-1
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inquiryhigh quality Appearance:Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Intermediates Transportation:by air or by sea Port:shanghai
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inquiryMeldrum's acid CAS :2033-24-1 EINECS: 217-992-8 Molecular structure: Molecular Formula: C6H8O4 Molecular weight:144.13 Melting point: 92-95 oC Appearance: White crystalline powder Content: ≥99% Packing: 25kg/barrel U
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
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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Cas:2033-24-1
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inquiryTIANFUCHEM--2033-24-1--2,2-Dimethyl-1,3-dioxane-4,6-dione factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable
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inquiryWe are a professional chemicals, APIs and plant extract leading manufacturer in China. We are specialized in chemical synthesis, process development of pharmaceutical intermediates, active pharmaceutical ingredients (APIs), plant extract and rare c
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:2033-24-1
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:2033-24-1
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inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by email in t
Cas:2033-24-1
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inquiryName: 2,2-Dimethyl-1,3-dioxane-4,6-dione Synonyms: Meldrums acid CAS:2033-24-1 MF: C6H8O4 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:APIs Transportation:By sea or by a
Cas:2033-24-1
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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inquiryAppearance:White crystalline powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china
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inquiryProduct Name: 2,2-Dimethyl-1,3-dioxane-4,6-dione CAS: 2033-24-1 MF: C6H8O4 MW: 144.13 EINECS: 217-992-8 Mol File: 2033-24-1.mol 2,2-Dimethyl-1,3-dioxane-4,6-dione Structure 2,2-Dimethyl-1,3-dioxane-4,6-dione Chemical Properties M
Cas:2033-24-1
Min.Order:1 Gram
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA
Cas:2033-24-1
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inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:2033-24-1
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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:2033-24-1
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inquiry2,2-Dimethyl-1,3-dioxane-4,6-dione CAS: 2033-24-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high qualit
Cas:2033-24-1
Min.Order:1 Gram
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inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:2033-24-1
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:2033-24-1
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inquiryAppearance:white crystalline powder 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:Se
Cas:2033-24-1
Min.Order:100 Metric Ton
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inquiryHangzhou 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:2033-24-1
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:2033-24-1
Min.Order:1 Gram
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inquiryJ&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
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inquiry2,2-dimethyl-5-(phenyl-λ3-iodaneylidene)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
iodobenzene
C
acetone
Conditions | Yield |
---|---|
With dirhodium tetraacetate In dichloromethane at 20℃; Product distribution; | A 33% B 100% C 5% |
A
cycl-isopropylidene malonate
B
1,1-bis(4-t-butylphenyl)methane
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 99% |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 98% |
5-(bis(4-methoxyphenyl)methyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
4,4'-dianisylmethane
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 96% |
A
cycl-isopropylidene malonate
B
1-benzyl-4-tert-butylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 96% |
A
cycl-isopropylidene malonate
B
m-benzylanisole
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 95% |
6,6-dimethyl-4,8-dioxo-5,7-dioxa-1,2-diazaspiro<2.5>oct-1-ene
cycl-isopropylidene malonate
Conditions | Yield |
---|---|
With benzophenone In methanol Irradiation; | 93% |
A
cycl-isopropylidene malonate
B
bis(3-methoxyphenyl)methane
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 93% |
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 65℃; under 760.051 Torr; for 96h; Sealed tube; | A n/a B 91% |
2,2-dimethyl-5-(2-(4-(octyloxy)phenyl)hexan-2-yl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-(hexan-2-yl)-4-(octyloxy)benzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 90% |
2,2-dimethyl-5-(2-(2-(octyloxy)phenyl)propan-2-yl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-isopropyl-2-(octyloxy)benzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 48h; | A n/a B 90% |
A
cycl-isopropylidene malonate
B
1-butyl-4-(1-methylethyl)benzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 90% |
2,2-dimethyl-5-(2-(4-(octyloxy)phenyl)butan-2-yl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-(sec-butyl)-4-octyloxybenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 86% |
5-[1-(2-ethylphenyl)-1-methylethyl]-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-ethyl-2-isopropylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 83% |
2,2-dimethyl-5(1-(4-(octyloxy)phenyl)cyclohexyl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-cyclohexyl-4-(octyloxy)benzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 82% |
A
cycl-isopropylidene malonate
B
1-isopropoxy-4-isopropylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 82% |
5-((4-fluorophenyl)(4-methoxyphenyl)methyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-(4-fluorobenzyl)-4-methoxybenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 81% |
5-((4-fluorophenyl)(phenyl)methyl)-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
4-fluorodiphenylmethane
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 81% |
A
cycl-isopropylidene malonate
B
1-isopropyl-4-neopentylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 81% |
2,2-dimethyl-5-(1-methyl-1-phenylethyl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
Isopropylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A 80% B n/a |
5-(2-([1,1'-biphenyl]-4-yl)propan-2-yl)-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
4-isopropylbiphenyl
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 80% |
5-(2-(3-(tert-butyl)phenyl)propan-2-yl)-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-tert-butyl-3-isopropylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 65℃; under 760.051 Torr; for 24h; Sealed tube; | A n/a B 80% |
Conditions | Yield |
---|---|
With sulfuric acid; acetic anhydride at 60℃; | 78% |
Stage #1: malonic acid With sulfuric acid; acetic anhydride at 0℃; for 1h; Stage #2: acetone In acetic anhydride at 0℃; for 30h; | 77% |
With sulfuric acid; acetic anhydride at -5 - 0℃; for 3h; | 70.9% |
2,2-dimethyl-5-(2-(4-(octyloxy)phenyl)propan-2-yl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-isopropyl-4-(octyloxy)benzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 78% |
5-(2-(4-(tert-butyl)phenyl)propan-2-yl)-2,2-dimethyl-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
p-tert.-Butyl-cumol
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 65℃; under 760.051 Torr; for 48h; Sealed tube; | A n/a B 76% |
A
cycl-isopropylidene malonate
B
1-isobutyl-4-isopropylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 72% |
2,2-dimethyl-5-(3-methyl-2-(4-(octyloxy)phenyl)butan-2-yl)-1,3-dioxane-4,6-dione
A
cycl-isopropylidene malonate
B
1-(3-methylbutan-2-yl)-4-(octyloxy)benzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 24h; | A n/a B 70% |
A
cycl-isopropylidene malonate
B
1-tert-butoxy-4-isopropylbenzene
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 48h; | A n/a B 70% |
methanol
5-diazo-2,2-dimethyl-1,3-dioxane-4,6-dion
A
6,6-dimethyl-4,8-dioxo-5,7-dioxa-1,2-diazaspiro<2.5>oct-1-ene
B
cycl-isopropylidene malonate
C
methyl 2,2-dimethyl-5-oxo-1,3-dioxolane-4-carboxylate
D
2,2-dimethyl-4,6-dioxo-5-methoxy-1,3-dioxane
Conditions | Yield |
---|---|
for 1.16667h; Product distribution; Irradiation; | A 4.5% B 3% C 64% D 2.5% |
In tetrahydrofuran at 18 - 20℃; for 9h; UV-irradiation; | A 23% B 8% C 25% D n/a |
pyrrolidine
cycl-isopropylidene malonate
2-Methylbutyraldehyde
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; | 100% |
pyrrolidine
cycl-isopropylidene malonate
d,l-2-ethylhexanal
5-(2-Ethyl-1-pyrrolidin-1-yl-hexyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; | 100% |
pyrrolidine
cycl-isopropylidene malonate
benzaldehyde
2,2-Dimethyl-5-(phenyl-pyrrolidin-1-yl-methyl)-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; | 100% |
pyrrolidine
cycl-isopropylidene malonate
propionaldehyde
2,2-Dimethyl-5-(1-pyrrolidin-1-yl-propyl)-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; | 100% |
pyrrolidine
cycl-isopropylidene malonate
butyraldehyde
2,2-Dimethyl-5-(1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; | 100% |
pyrrolidine
cycl-isopropylidene malonate
isobutyraldehyde
2,2-Dimethyl-5-(2-methyl-1-pyrrolidin-1-yl-propyl)-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
In diethyl ether for 0.166667h; | 100% |
4-methyleneoxetan-2-one
cycl-isopropylidene malonate
2,2-dimethyl-5-(1-hydroxy-3-oxobutylidene)-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 2h; | 100% |
Stage #1: 4-methyleneoxetan-2-one; cycl-isopropylidene malonate With triethylamine In dichloromethane at 0 - 20℃; for 2h; Stage #2: With hydrogenchloride In dichloromethane; water | 100% |
With triethylamine In dichloromethane at 20℃; | 100% |
cycl-isopropylidene malonate
1,1-bis(phenylsulfonyl)ethylene
5-(2,2-Bis-benzenesulfonyl-ethyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
N-benzyl-trimethylammonium hydroxide In 1,4-dioxane | 100% |
cycl-isopropylidene malonate
(+/-)-3-Methyl-4,4,4-trichlorobutanoyl Chloride
2,2-Dimethyl-5-(4,4,4-trichloro-3-methyl-butyryl)-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
With pyridine In dichloromethane 1. 1 h/-5 deg C 2. 30 min/room temperature; | 100% |
cycl-isopropylidene malonate
Rhodinoic acid chloride
5-(3,7-Dimethyl-oct-7-enoyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; | 100% |
cycl-isopropylidene malonate
C18H14N4O2
2-<(4,4-dimethyl-2,6-dioxo-3,5-dioxanylidene)methyl>-3-methylindole
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 0.333333h; Ambient temperature; | 100% |
With triethylamine In tetrahydrofuran for 0.5h; Ambient temperature; Yield given; |
cycl-isopropylidene malonate
Hexanoyl chloride
2,2-dimethyl-5-(1-oxohexyl)-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
With dmap In dichloromethane at 20℃; for 16h; Inert atmosphere; | 100% |
With pyridine In dichloromethane | 62% |
With pyridine In dichloromethane Ambient temperature; |
cycl-isopropylidene malonate
orthoformic acid triethyl ester
5-(ethoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
at 80℃; for 3h; | 100% |
With zinc diacetate at 90℃; for 1h; Condensation; | 85% |
at 105℃; for 2h; | 80% |
cycl-isopropylidene malonate
phenylacetyl chloride
5-(1-hydroxy-2-phenylethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; Acylation; | 100% |
With dmap Inert atmosphere; | 75% |
Stage #1: cycl-isopropylidene malonate With pyridine In dichloromethane at 0℃; Stage #2: phenylacetyl chloride In dichloromethane at 0 - 20℃; Stage #3: With hydrogenchloride In dichloromethane; water Cooling with ice; | 71% |
cycl-isopropylidene malonate
tert-butyl alcohol
mono-tert-butyl malonate
Conditions | Yield |
---|---|
for 6h; Reflux; | 100% |
Reflux; | 97% |
Stage #1: cycl-isopropylidene malonate; tert-butyl alcohol for 5h; Reflux; Stage #2: With ammonia; water In ethanol at 5℃; for 0.0833333h; Stage #3: With hydrogenchloride In water | 62% |
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; 4-toluenesulfonyl azide; triethylamine for 3h; Ambient temperature; | 100% |
With 2-azido-1,3-dimethylimidazolinium chloride; triethylamine In tetrahydrofuran at 0℃; for 0.166667h; | 95% |
With 2-azido-1,3-dimethylimidazolinium chloride; triethylamine In tetrahydrofuran at 0℃; for 0.166667h; Inert atmosphere; | 95% |
cycl-isopropylidene malonate
N-tert-butoxycarbonyl-L-phenylalanine
(S)-[1-benzyl-2-(2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-yl)-2-oxo-ethyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 16h; | 100% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 12h; Inert atmosphere; | 95% |
Stage #1: cycl-isopropylidene malonate; N-tert-butoxycarbonyl-L-phenylalanine With dmap In dichloromethane for 0.166667h; Cooling with ice; Stage #2: With dicyclohexyl-carbodiimide In dichloromethane for 10h; Cooling with ice; | 77% |
cycl-isopropylidene malonate
cyclopropanecarboxylic acid chloride
5-(cyclopropyl(hydroxy)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; Acylation; | 100% |
Stage #1: cycl-isopropylidene malonate With pyridine In dichloromethane at 0℃; for 0.25h; Stage #2: cyclopropanecarboxylic acid chloride In dichloromethane at 0 - 20℃; for 3h; | 60% |
With pyridine In dichloromethane at 0 - 20℃; for 3h; Acylation; |
cycl-isopropylidene malonate
4-hydroxy-benzaldehyde
5-(4-hydroxy-benzylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
at 50℃; for 1h; Knoevenagel condensation; | 100% |
In water; toluene at 23 - 33℃; for 4.66667h; Knoevenagel condensation; Large scale reaction; | 99% |
With cobalt(III) oxide In water for 0.0833333h; Knoevenagel Condensation; Reflux; | 99% |
cycl-isopropylidene malonate
4-dimethylamino-benzaldehyde
5-(4-N,N-dimethylaminobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
at 50℃; for 1h; Knoevenagel condensation; | 100% |
With ethylammonium nitrate at 20℃; for 0.5h; Knoevenagel condensation; | 97% |
In various solvent(s) at 20℃; for 0.5h; Knoevenagel condensation; | 97% |
cycl-isopropylidene malonate
isopropyl alcohol
i-propyl malonic half ester
Conditions | Yield |
---|---|
In acetonitrile for 22h; Heating; | 100% |
Reflux; | 76% |
In toluene for 5h; Heating; |
cycl-isopropylidene malonate
N-tert-butoxycarbonyl-L-phenylalanine
(2'S)-5-<(1-hydroxy-3-phenyl-2-t-butoxycarbonylamino)-propylidene>-2,2-dimethyl-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 100% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; | |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 25℃; for 14h; Inert atmosphere; | |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; |
cycl-isopropylidene malonate
Boc-D-Phe-OH
5-[(2R)-2-(tert-Butoxycarbonylamino)-1-hydroxy-3-phenylpropylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 100% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 2h; |
cycl-isopropylidene malonate
2-methyl-benzyl alcohol
2-oxo-2H-chromene-3-carboxylic acid
Conditions | Yield |
---|---|
With piperdinium acetate In ethanol for 2h; Heating; | 100% |
With piperidine; acetic acid In benzene Knoevenagel condensation; Heating; | 92% |
With lithium perchlorate for 0.0138889h; Irradiation; | 89% |
cycl-isopropylidene malonate
3-methoxy-2-hydroxybenzaldehyde
8-methoxy-2-oxo-2H-chromene-3-carboxylic acid
Conditions | Yield |
---|---|
With piperdinium acetate In ethanol for 2h; Heating; | 100% |
In water for 1h; Reflux; | 99% |
With β‐cyclodextrin In water at 70℃; for 0.25h; Green chemistry; | 97% |
Conditions | Yield |
---|---|
In toluene at 100℃; Inert atmosphere; | 100% |
In toluene Heating; | 85% |
cycl-isopropylidene malonate
[3-(3,5-bis-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-benzyloxy)-5-hydroxymethyl-phenyl]-methanol
Conditions | Yield |
---|---|
at 120℃; for 4h; | 100% |
cycl-isopropylidene malonate
{3-[3,5-bis-(3,5-bis-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-benzyloxy)-benzyloxy]-5-hydroxymethyl-phenyl}-methanol
Conditions | Yield |
---|---|
at 120℃; for 4h; | 100% |
Conditions | Yield |
---|---|
at 120℃; for 4h; | 100% |
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