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Stock No. | Größe | Preis ($) | Menge | Verfügbarkeit |
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A10340-30 | 250g | 12,30 |
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A10340-36 | 500g | 28,50 |
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A10340-0E | 2500g | 51,00 |
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Used for protection of carbonyl groups as 4,4-dimethyl-1,3-dioxanes, often preferred to the more usual 1,3-dioxolanes due to easier separation and greater stability, for protection of carbonyl group of 4-bromo-2-propanone using p-toluenesulfonic acid in the presence of triethyl orthoformate. It is used in the synthesis of polyesters, paints, lubricants, and plasticizers.
Richard L. Mcconnell; H. W. CooverJr. Phosphorus-Containing Derivatives of 2,2-Dimethyl-1,3-propanediol. J. Org. Chem.1959, 24 (5), 630-635.
Used for protection of carbonyl groups as 4,4-dimethyl-1,3-dioxanes, often preferred to the more usual 1,3-dioxolanes due to easier separation and greater stability. For an example, see 2,3-Butanedione, A14217. For protection of carbonyl group of 4-bromo-2-propanone using p-toluenesulfonic acid in the presence of triethyl orthoformate, see: Org. Synth. Coll., 7, 59 (1990).
Gefahrenhinweise (EU): H318
Causes serious eye damage.
Sicherheitshinweise: P280i-P305+P351+P338-P310a
Wear eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor