Acetals/Ketals/Ortho Esters

Acetals, usually derived from aldehydes, are two single-bonded oxygen atoms attached to the same carbon atom, with the hemiacetal being an alcohol and ether attached to the same carbon atom. Ketals are equivalent to acetals and contain a carbon bonded to two O-R (R = alkyl group). Ortho esters contain three alkoxy groups (an alkyl group linked to an oxygen) attached to one carbon atom. Acetals are stable under basic conditions, can be hydrolyzed back to the carbonyl compound, can serve as a carbonyl protecting group, and are functional groups in glycosidic bonds. Cyclic acetals are utilized as biomaterials in tissue engineering. Poly(ortho esters) exhibit synthetic versatility and applicability as matrices for drug delivery systems and as micelles.

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CDS010575 Chloromethyl acetate AldrichCPR C3H5ClO2
T81108 1,3,5-Trioxane ≥99% C3H6O3
47676 Formaldehyde dimethyl acetal absolute, over molecular sieve (H2O ≤0.01%), ≥99.0% (GC) C3H8O2
47649 Formaldehyde dimethyl acetal for Grignard reactions, ≥99.0% (GC) C3H8O2
226122 2-Bromomethyl-1,3-dioxolane 96% C4H7BrO2
329991 2-Chloromethyl-1,3-dioxolane 97% C4H7ClO2
T62006 Trifluoroacetaldehyde ethyl hemiacetal 90% C4H7F3O2
283061 1,3-Dioxane 97% C4H8O2
292206 2-Methyl-1,3-dioxolane 97% C4H8O2
479047 2,2-Dimethoxyacetaldehyde solution 60 wt. % in H2O C4H8O3
217050 2-Methoxy-1,3-dioxolane 99% C4H8O3
242500 2-Bromo-1,1-dimethoxyethane 97% C4H9BrO2
10906 Chloroacetaldehyde dimethyl acetal produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) C4H9ClO2
C19406 Chloroacetaldehyde dimethyl acetal 98% C4H9ClO2
385395 Acetaldehyde dimethyl acetal 95% C4H10O2
108456 Trimethyl orthoformate 99% C4H10O3
121967 Aminoacetaldehyde dimethyl acetal 99% C4H11NO2
CBR01802 2-Methyl-1,3-dioxolane-2-carboxylic acid AldrichCPR C5H8O4
16156 2-(2-Bromoethyl)-1,3-dioxolane purum, ≥97.0% (GC), brownish-yellow C5H9BrO2
230995 2-(2-Bromoethyl)-1,3-dioxolane 96% C5H9BrO2
CDS007883 2-(chloromethyl)-1,4-dioxane AldrichCPR C5H9ClO2
CDS018961 1,1-dimethoxy-2-isocyanatoethane AldrichCPR C5H9NO3
332933 1-Bromo-3-chloro-2,2-dimethoxypropane 95% C5H10BrClO2
D155624 2,2-Dimethyl-1,3-dioxolane 98% C5H10O2
190543 Acrolein dimethyl acetal 98% C5H10O2
170216 Methylglyoxal 1,1-dimethyl acetal ≥97% C5H10O3
208809 1-Bromo-2,2-dimethoxypropane 97% C5H11BrO2
272477 3-Bromopropionaldehyde dimethyl acetal technical grade, 90% C5H11BrO2
437948 2-Chloro-1,1,1-trimethoxyethane 98% C5H11ClO3
CDS000052 2-(1,3-Dioxolan-2-yl)ethanamine AldrichCPR C5H11NO2
47675 Formaldehyde diethyl acetal absolute, over molecular sieve (H2O ≤0.01%), ≥99.0% (GC) C5H12O2
269700 (Methylthio)acetaldehyde dimethyl acetal 97% C5H12O2S
779679 (RS)-1,1-Dimethoxy-2-propanol ≥97.0% (GC) C5H12O3
237876 Trimethyl orthoacetate 99% C5H12O3
75588 Tetramethyl orthocarbonate purum, ≥97.0% (GC) C5H12O4
132624 Tetramethyl orthocarbonate 98% C5H12O4
M28006 (Methylamino)acetaldehyde dimethyl acetal 97% C5H13NO2
394963 N,N-Dimethylformamide dimethyl acetal for GC derivatization C5H13NO2
16154 2-(2-Bromoethyl)-1,3-dioxane purum, ≥97.5% (GC) C6H11BrO2
269131 2-(2-Bromoethyl)-1,3-dioxane 98% C6H11BrO2
26235 2-(3-Chloropropyl)-1,3-dioxolane ≥97.0% (GC) C6H11ClO2
159581 3-Cyanopropionaldehyde dimethyl acetal 98% C6H11NO2
D54206 Dichloroacetaldehyde diethyl acetal 98% C6H12Cl2O2
341045 2-Ethyl-2-methyl-1,3-dioxolane 99% C6H12O2
122696 DL-1,2-Isopropylideneglycerol ≥97.0% C6H12O3
123986 Bromoacetaldehyde diethyl acetal 97% C6H13BrO2
C19201 Chloroacetaldehyde diethyl acetal 99% C6H13ClO2
A902 Acetaldehyde diethyl acetal 99% C6H14O2
75604 Trimethyl orthopropionate ≥95.0% (T) C6H14O3
A37200 Aminoacetaldehyde diethyl acetal 98% C6H15NO2
261483 N,N-Dimethylacetamide dimethyl acetal 90% C6H15NO2
200980 5,5-Dimethoxy-1,2,3,4-tetrachlorocyclopentadiene 96% C7H6Cl4O2
147850 2-Cyclopenten-1-one ethylene ketal 95% C7H10O2
CDS000118 2-(4-Bromobutyl)-1,3-dioxolane AldrichCPR C7H13BrO2
679593 2-Bromopropenal diethyl acetal 90% C7H13BrO2
151556 2-(3-Chloropropyl)-2-methyl-1,3-dioxolane 97% C7H13ClO2
24045 2-(4-Chlorobutyl)-1,3-dioxolane ≥97.0% (GC) C7H13ClO2
A24001 Acrolein diethyl acetal 96% C7H14O2
728950 2-Bromopropionaldehyde diethyl acetal 95% C7H15BrO2
340537 Trimethyl 4-bromoorthobutyrate 95% C7H15BrO3
26130 3-Chloropropionaldehyde diethylacetal technical, ≥90% (GC) C7H15ClO2
519618 2,2-Diethoxypropane 97% C7H16O2
176958 Propionaldehyde diethyl acetal 97% C7H16O2
197882 1,3,3-Trimethoxybutane 97% C7H16O3
M13009 3-Methoxybutyraldehyde dimethyl acetal 98% C7H16O3
149306 Methoxyacetaldehyde diethyl acetal 97% C7H16O3
T60453 Triethyl orthoformate reagent grade, 98% C7H16O3
75571 Trimethyl orthobutyrate purum, ≥97.0% (GC) C7H16O3
254509 Trimethyl orthobutyrate 97% C7H16O3
108383 1,1,3,3-Tetramethoxypropane 99% C7H16O4
142778 N,N-Dimethylformamide diethyl acetal 95% C7H17NO2
40252 N,N-Dimethylformamide diethyl acetal for esterification of fatty acids, ≥95.0% (GC) C7H17NO2
17624 3-(Bromomethyl)-2,4,10-trioxatricyclo[3.3.1.13.7]decane ≥97.0% (HPLC) C8H11BrO3
274879 1,4-Cyclohexanedione monoethylene acetal 97% C8H12O3
753513 5-(2-Bromoethyl)-2,2-dimethyl-1,3-dioxane 95% C8H15BrO2
165174 3-Cyanopropionaldehyde diethyl acetal 98% C8H15NO2
307246 3-Butenal diethyl acetal 97% C8H16O2
458597 Cyclohexanone dimethyl ketal 99% C8H16O2
442003 trans-2-Butenal diethyl acetal technical, 90% C8H16O2
368202 Fumaraldehyde bis(dimethyl acetal) 95% C8H16O4
649759 2-Chloro-1,1,1-triethoxyethane 97% C8H17ClO3
CDS000295 1,1-Diethoxy-2-methylpropane AldrichCPR C8H18O2
CDS003894 1,1-Diethoxybutane AldrichCPR C8H18O2
547174 1,1-Dimethoxyhexane 98% C8H18O2
CDS018832 1-(1-ethoxyethoxy)-2-methylpropane AldrichCPR C8H18O2
274585 Methyl trimethylsilyl dimethylketene acetal 95% C8H18O2Si
75580 Triethyl orthoacetate purum, ≥98.0% (GC) C8H18O3
T60402 Triethyl orthoacetate 97% C8H18O3
75607 Trimethyl orthovalerate purum, ≥97.0% (GC) C8H18O3
254517 Trimethyl orthovalerate 97% C8H18O3
D138800 (Dimethylamino)acetaldehyde diethyl acetal 95% C8H19NO2
A44150 4-Aminobutyraldehyde diethyl acetal 90%, technical grade C8H19NO2
197610 2-(3-Bromophenyl)-1,3-dioxolane 95% C9H9BrO2
652652 2-Bromobenzaldehyde ethylene acetal 96% C9H9BrO2
492744 4-Bromobenzaldehyde dimethyl acetal 98% C9H11BrO2
499110 4-Chlorobenzaldehyde dimethyl acetal 98% C9H11ClO2
CDS001527 3-Aminobenzaldehyde ethylene acetal AldrichCPR C9H11NO2
12025 Benzaldehyde dimethyl acetal purum, ≥98.0% (GC) C9H12O2
226076 Benzaldehyde dimethyl acetal 99% C9H12O2
381438 Benzaldehyde dimethyl acetal 95% C9H12O2
719994 1-Amino-4-oxocyclohexanecarboxylic acid ethylene ketal 95% C9H15NO4
D7151 1,7-Dioxaspiro[5.5]undecane ≥97% C9H16O2
272019 2,2′-Trimethylenebis-1,3-dioxolane 99% C9H16O4
16175 2-(2-Bromoethyl)-2,5,5-trimethyl-1,3-dioxane technical, ≥90.0% (AT) C9H17BrO2
547182 1,1-Dimethoxyheptane 98% C9H20O2
E7509 3-Ethoxypropionaldehyde diethyl acetal 95% C9H20O3
75601 Triethyl orthopropionate purum, ≥97.0% (GC) C9H20O3
T60607 Triethyl orthopropionate 97% C9H20O3
75585 Tetraethyl orthocarbonate purum, ≥97.0% (GC) C9H20O4
163627 Tetraethyl orthocarbonate 97% C9H20O4
178535 N,N-Dimethylformamide diisopropyl acetal 95% C9H21NO2
178527 N,N-Dimethylformamide dipropyl acetal 97% C9H21NO2
394998 N,N-Dimethylformamide dipropyl acetal for GC derivatization C9H21NO2
697974 2′-Bromoacetophenone dimethyl ketal 95% C10H13BrO2
710121 4-Fluorophenylacetaldehyde dimethylacetal 95% C10H13FO2
376760 (1,1-Dimethoxyethyl)benzene 97% C10H14O2
P16605 Phenylacetaldehyde dimethyl acetal 98% C10H14O2
17049 4-(Hydroxymethyl)benzaldehyde dimethyl acetal ≥97.0% (GC) C10H14O3
10445 Anisaldehyde dimethyl acetal ≥98.5% (GC) C10H14O3
375497 Phenoxyacetaldehyde dimethyl acetal 99% C10H14O3
164534 Trimethyl orthobenzoate 98% C10H14O3
298743 1,4-Cyclohexanedione bis(ethylene ketal) 99% C10H16O4
CDS000475 1-(1-Ethoxyethoxy)-3-hexene AldrichCPR C10H20O2
539430 Cyclohexanone diethyl ketal 97% C10H20O2
CDS018833 1-(1-isobutoxyethoxy)-2-methylpropane AldrichCPR C10H22O2
415146 Triisopropyl orthoformate 97% C10H22O3
333344 Tripropyl orthoformate 97% C10H22O3
520942 2-Bromobenzaldehyde diethyl acetal 98% C11H15BrO2
490776 3-Bromobenzaldehyde diethyl acetal 98% C11H15BrO2
478962 4-Bromobenzaldehyde diethyl acetal 99% C11H15BrO2
710229 2-Methylphenylacetaldehyde dimethyl acetal 97% C11H16O2
710156 3-Methylphenylacetaldehyde dimethyl acetal 95% C11H16O2
711195 4-Methylphenylacetaldehyde dimethyl acetal 95% C11H16O2
710202 2-Methoxyphenylacetaldehyde dimethylacetal 97% C11H16O3
710113 4-Methoxyphenylacetaldehyde dimethylacetal 95% C11H16O3
75525 Diethyl phenyl orthoformate ≥97.0% C11H16O3
215570 1,4-Cyclohexanedione mono(2,2-dimethyltrimethylene ketal) 95% C11H18O3
691917 1-N-Boc-1-hydrazinoacetaldehyde diethyl acetal 97% C11H24N2O4
T9889 1,1,3,3-Tetraethoxypropane ≥96% C11H24O4
395005 N,N-Dimethylformamide di-tert-butyl acetal for GC derivatization C11H25NO2
40263 N,N-Dimethylformamide di-tert-butyl acetal technical, ≥90% (GC) C11H25NO2
40262 N,N-Dimethylformamide dibutyl acetal for esterification of fatty acids, ≥98.0% C11H25NO2
ADE000877 2-(Dimethoxymethyl)-6-(trifluoromethyl)-1,8-naphthyridine AldrichCPR C12H11F3N2O2
568597 4-Bromoacetophenone diethyl ketal 95% C12H17BrO2
479888 3,4,5-Trimethoxybenzaldehyde dimethyl acetal 98% C12H18O5
495867 4-(Methylamino)cyclohexanone 2,2-dimethyltrimethylene ketal hydrochloride 97% C12H23NO2·HCl
CDS010595 acetaldehyde di-isoamyl acetal AldrichCPR C12H26O2
131458 Phenylpropargyl aldehyde diethyl acetal 98% C13H16O2
454796 Benzyloxyacetaldehyde diethyl acetal 95% C13H20O3
75570 Triethyl orthobenzoate ≥95.0% (GC) C13H20O3
425354 4-Methoxyphenoxyacetaldehyde diethyl acetal 97% C13H20O4
75540 Tributyl orthoformate ≥99.0% (GC) C13H28O3
140244 N,N-Dimethylformamide dineopentyl acetal 99% C13H29NO2
260541 Glyoxal bis(diallyl acetal) C14H22O4
CDS000540 1,1-Dimethoxydodecane AldrichCPR C14H30O2
368377 2-[2-(Benzyloxy)ethyl]-5,5-dimethyl-1,3-dioxane 95% C15H22O3
426407 4-Butylbenzaldehyde diethyl acetal technical, 90% C15H24O2
CDS000041 3-(9-Anthryl)-2-propenal AldrichCPR C17H12O