Galactonic acid, 2-deoxy

Fleet reported the synthesis of a new class of carbopeptoid-cyclodextrin, cyclo[(6-amino-6-deoxy-D-galactonic acid)4] with a 28-membered ring in which... 

These crystal-structure analyses are concerned with the following molecules o-D-glucopyranose monohydrate/ D-xylopyranose/ methyl yS-D-xylopyranoside, di-jS-n-fructopyranose-strontium chloride trihydrate, cellobiose (independent determination), D-glucaric acid, D-galactonic acid, methyl a-D-lyxofuranoside, /3-D-lyxopyranose, methyl 3,4,6-tri-0 - acetyl - 2 - (chloromercuri) - 2 - deoxy - j3 - d - glucopyranoside, D-glu-copyranosyl (potassium sodium phosphate) tetrahydrate," and methyl 6-bromo-6-deoxy-a-D-galactopyranoside. ... 

Tetra-O-Me 6-Amino-6-deoxy-2,3,4,5-tet-ra-O-methyl-D-galactonic acid [408360-24-7]... 

Amino-6-deoxy-2,3,4 5-tetra-0-methyl-D-galactonic acid, A-190 4-Aminophenyl 2-acetamido-2-deoxygalactopyranoside a-D-form, A-432 4-Aminophenyl 2-acetamido-2-deoxygalactopyranoside -D-form, A-432 4-Aminophenyl galactopyranoside a-D-form, A-435 4-Aminophenyl galactopyranoside -D-form, A-435... 

Heating 6-bromo-6-deoxy-D-galactono-1,4-lactone or -D-galactitol in water yields 3,6-anhydro-D-galactonic acid and 1,4-anhydro-L-galactitol (3,6-anhydro-D-galactitol) respectivdy. ... 

The 2-keto-3-deoxy-aldonic acid (phosphate) aldolases from Pseudomonas strains - 3-deoxy-2-keto-L-arabonate (F.C 4.1.2.18), 3-deoxy-2-keto-D-xylonate (EC 4.1.2.28), 3-deoxy-2-keto-6-phospho-D-gluconate (EC 4.1.2.14) and 3-deoxy-2-keto-6-phospho-D-galactonate aldolase (EC 4.1.2.21) - appear to be specific even for the acceptor components, but allow stereoselective syntheses of the respective natural substrates29. 

Procedure Synthesis of Xylonic, Galactonic, Mannonic, 2-Deoxygluconic Acid and Synthesis of 2-Amino-2-deoxy-gluconic Acid (Glucosaminic Acid)... 

An aldonic acid dehydratase was partially purified,290 and found to convert D-fuconate into 3-deoxy-D-t/ reo-2-hexulosonate, and L-arabin-onate into the corresponding 3-deoxy-L-gZi/cero-2-pentulosonate. It did not act on L-fuconate or on D-galactonate. 

Comparable to the situation for the sialic acid and KDO lyases (vide supra), sets of stereochemically complementary pyruvate lyases are known, e,g. in Pseudomonas strains, which act on related 2-keto-3-deoxy-aldonic acids [112]. The enzymes cleaving six-carbon sugar acid phosphates—the KdgA and 2-keto-3-deoxy-6-phospho-D-galactonate (20) aldolases (KDPGal aldolase EC 4.1.2.21) [139] — are typified as class I enzymes, whereas those acting on non-phosphorylated five-carbon substrates — 2-keto-3-deoxy-L-arabonate (21) (KDAra aldolase EC 4.1.2,18) [140, 141] and 2-keto-3-deoxy-D-xylonate (22)... 

Acid Derivatives. — D-Arabinono-7-lactone, 2,3-di-0-acetyl-2-C-methylery-throno-1,4-lactone, a 1 1 complex of L-serine and L-ascorbic acid, and methyl 4-C-acetyl-6-deoxy-2,3-0-methylene-D-galactonate. ... 

Stereocomplementary sets of pyravate dependent aldolases. /V-acetyIneuraminic acid aldolase (NeuA EC 4.1.3.3), 2-keto-3-deoxy-manno-octosonate (KDO) aldolase (KdoA EC 4.1.2.23), 2-keto-3-deoxy-6-phospho-D-gluconate aldolases (GIcA EC 4.1.2.14)) and 2-keto-3-deoxy-6-phospho-D-galactonate aldolases (GalA EC4.1.2.21). 

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