Acidic and anionic forms of 1,3-cyclic dihydroxyacetone phosphate (cDHAP) dimethyl acetal

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Acidic and anionic forms of 1,3-cyclic dihydroxyacetone phosphate (cDHAP) dimethyl acetal.

The six-membered cyclic phosphate diester, 5,5-dimethoxy-2-hydroxy-1,3,2-dioxaphosphorinan-2-one, C(5)H(11)O(6)P or (MeO)(2)cDHAP, which is the dimethyl acetal of cyclic dihydroxyacetone phosphate (cDHAP), has been obtained in the form of two new cyclohexylammonium (cha) salts, cyclohexylammonium 5,5-dimethoxy-2-oxo-1,3,2-dioxaphosphorinan-2-olate monohydrate, (cha)[(MeO)(2)cDHAP]·H(2)O or C(6)...

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Exclusive localization in peroxisomes of dihydroxyacetone phosphate acyltransferase and alkyl-dihydroxyacetone phosphate synthase in rat liver.

Dihydroxyacetone phosphate acyl transferase (DHAP-AT), alkyl dihydroxyacetone phosphate synthase (alkyl-DHAP-synthase), and glycerol-3-phosphate acyltransferase (GPAT) activities were investigated under optimal assay conditions using highly purified organelle preparations. The data presented clearly indicate that GPAT activity was mainly localized in mitochondria and microsomes, whereas DHAP-AT...

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Evidence for Endogenous Cyclic Photophosphorylation in Intact Chloroplasts: CO(2) Fixation with Dihydroxyacetone Phosphate.

This study examines the capacity of intact spinach (Spinacia oleracea L.) chloroplasts to fix (14)CO(2) when supplied with Benson-Calvin cycle intermediates in the presence of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU). Under these conditions, substantial (14)CO(2) fixation occurred in the light but not in the dark when either dihydroxyacetone phosphate, ribulose 5-phosphate, fructose 6-pho...

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Acyl dihydroxyacetone phosphate: precursor of alkyl ethers.

1-0-Alkyl dihydroxyacetone phosphate is biosynthesised in guinea pig liver mitochondria and in rat brain microsomes by direct reaction of a long chain alcohol and acyl dihydroxyacetone phosphate. ATP and Mg* are stimulatory but coenzyme A is not necessary for the reaction. 1-0-Alkyl dihydroxyacetone phosphate (alkyl DHAP)l was shown to be biosynthesized from long chain alcohol and DHAP with ATP...

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The Estenfication of Gibberellins with Dimethylformamide Dimethyl Acetal (DMFDMA)

The key step is to prepare rare gibberellins by converting the m ore readily available gibberellins (G A 3, G A 4, G A 7 and G A 13) into their m ethyl esters. The D M F D M A is em ployed as an esterifying reagent to avoid the diazom ethane due to its toxic, explosive and hazardous nature. It is observed that D M F D M A apart from esterification can also be used as acetylating and epim erizin...

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ژورنال

عنوان ژورنال: Acta Crystallographica Section C Crystal Structure Communications

سال: 2011

ISSN: 0108-2701

DOI: 10.1107/s0108270111011723