ChemicalBook > CAS DataBase List > 6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE

6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE

Product Name
6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE
CAS No.
5617-70-9
Chemical Name
6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE
Synonyms
Danishefsky's reagent;CYCLOPROPYL MELDRUM'S ACID;6,6-DiMethyl-5,7-dioxaspiro[2.5]octan-4,8-dione;6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE;3,3-Dimethyl-2,4-dioxaspiro[5.2]octane-1,5-dione;5,7-Dioxa-6,6-dimethylspiro[2.5]octane-4,8-dione;CYCL-ISOPROPYLIDENE CYCLOPROPANE-1,1-DICARBOXYLATE;6,6-dimethyl-5,7-dioxaspiro[2.5]octane-4,8-quinone;5,7-Dioxaspiro[2.5]octane-4,8-dione, 6,6-diMethyl-;6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione >
CBNumber
CB6433851
Molecular Formula
C8H10O4
Formula Weight
170.16
MOL File
5617-70-9.mol
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6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE Property

Melting point:
63-65 °C(lit.)
Boiling point:
396.8±35.0 °C(Predicted)
Density 
1.29±0.1 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
DMF: soluble(lit.)
form 
Solid
color 
White to Off-White
BRN 
1241835
InChIKey
AXJVPXNVESYGDT-UHFFFAOYSA-N
CAS DataBase Reference
5617-70-9(CAS DataBase Reference)
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
HS Code 
2932209090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
341266
Product name
cyclic Isopropylidene 1,1-cyclopropanedicarboxylate
Purity
99%
Packaging
5g
Price
$67.8
Updated
2024/03/01
TCI Chemical
Product number
C1334
Product name
6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione
Purity
>98.0%(GC)
Packaging
1g
Price
$29
Updated
2024/03/01
TCI Chemical
Product number
C1334
Product name
6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione
Purity
>98.0%(GC)
Packaging
5g
Price
$82
Updated
2024/03/01
Alfa Aesar
Product number
L15571
Product name
6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione, 99%
Packaging
5g
Price
$87.65
Updated
2024/03/01
Alfa Aesar
Product number
L15571
Product name
6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione, 99%
Packaging
1g
Price
$26.1
Updated
2021/12/16
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6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE Chemical Properties,Usage,Production

Uses

6,6-Dimethyl-5,7-dioxaspiro[2.5]octan-4,8-dione is used as a reagent to synthesize Bis-benzimidazoles, compounds that act as inhibitors of Type II Dihydrofolate reductase (an enzyme that is produced by bacteria in response to Trimethoprim [T795615]as a defense mechanism).

Synthesis Reference(s)

Organic Syntheses, Coll. Vol. 7, p. 411, 1990
The Journal of Organic Chemistry, 40, p. 2969, 1975 DOI: 10.1021/jo00908a030

6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE Preparation Products And Raw materials

Raw materials

Preparation Products

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6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE Suppliers

Americas 1 China 68 Europe 1 France 1 Germany 4 India 20 Japan 1 Switzerland 1 United Kingdom 4 United States 14 Global 115
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View Lastest Price from 6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE manufacturers

Career Henan Chemical Co
Product
6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 5617-70-9
Price
US $3.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100kg
Release date
2019-07-09

5617-70-9, 6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONERelated Search:

2,2,5-Trimethyl-1,3-dioxane-4,6-dione 1,1-Cyclopropanedicarboxylic acid monomethyl ester 2,2-Dimethyl-1,3-dioxane-4,6-dione 1,1-Cyclopropanedicarboxylic acid Cyclopropanecarboxylic acid 1,1-CYCLOPROPANEDICARBOXYLIC ACID MONOETHYL ESTER Ethyl cyclopropanecarboxylate ETHYL 1-METHYLCYCLOPROPANE-1-CARBOXYLATE Methyl cyclopropane carboxylate 1,1-Bis(hydroxymethyl)cyclopropane ISOBUTYRIC ACID ISOPROPYL ESTER 1-METHYLCYCLOPROPANE-1-CARBOXYLIC ACID METHYL ESTER 6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE 3-Ethoxy-2,2-dimethyl-3-oxopropanoic acid FEMA 3699 Dimethylmalonic acid 1-Methylcyclopropanemethanol 1-HYDROXYMETHYL-CYCLOPROPANECARBOXYLIC ACID ETHYL ESTER

  • 6,6-DIMETHYL-5,7-DIOXASPIRO[2.5]OCTANE-4,8-DIONE
  • CYCL-ISOPROPYLIDENE CYCLOPROPANE-1,1-DICARBOXYLATE
  • CYCLOPROPANE-1,1-DICARBOXYLIC ACID CYCL-ISOPROPYLIDENE ESTER
  • CYCLOPROPANE-1,1-DICARBOXYLIC ACID CYCLOISOPROPYLIDENE ESTER
  • 1,1-Cyclopropanedicarboxylic acid cycl-isopropylidene ester~cycl-Isopropylidene 1,1-cyclopropanedicarboxylate
  • CYCLOPROPYL MELDRUM'S ACID
  • Danishefsky's reagent
  • CYCLOPROPANE-1,1-DICARBOXYLIC ACID CYCL-ISOPRYLIDENE ESTER
  • Cyclopropane-1,1-dicarboxylic acid cyclic-isopropylidene ester
  • 1,1-Cyclopropanedicarboxylic acid cyclic isopropylidene ester, 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione
  • cyclic Isopropylidene 1,1-cyclopropanedicarboxylate
  • 2,2-Dimethylspiro[1,3-dioxane-5,1'-cyclopropane]-4,6-dione
  • 3,3-Dimethyl-2,4-dioxaspiro[5.2]octane-1,5-dione
  • 5,7-Dioxa-6,6-dimethylspiro[2.5]octane-4,8-dione
  • Cyclopropane-1,1-dicarboxylic acid isopropylidene ester
  • 6,6-dimethyl-5,7-dioxaspiro[2.5]octane-4,8-quinone
  • 5,7-Dioxaspiro[2.5]octane-4,8-dione, 6,6-diMethyl-
  • Cyclopropane-1,1-dicarboxylic Acid cycl-Isopropylidene Ester cycl-Isopropylidene Cyclopropane-1,1-dicarboxylate
  • 6,6-DiMethyl-5,7-dioxaspiro[2.5]octan-4,8-dione
  • cyclic Isopropylidene 1,1-cyclopropanedicarboxylate 99%
  • 6,6-Dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione &gt
  • cyclic Isopropylidene 1,1-cyclopropanedicarboxylate-D4
  • 5617-70-9
  • Organic Building Blocks
  • Lactones
  • Building Blocks
  • Carbonyl Compounds
  • Simple 3-Membered Ring Compounds
  • Dioxanes & Dioxolanes
  • Dioxanes
  • Cyclopropanes
  • Cyclopropanes
  • Dioxanes
  • Dioxanes & Dioxolanes
  • Simple 3-Membered Ring Compounds