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1,1-diacetates (209) 209
aldehydes (115) 115
chemistry, organic (78) 78
acylals (73) 73
chemistry, multidisciplinary (71) 71
deprotection (68) 68
conversion (62) 62
chemoselective synthesis (45) 45
organic-synthesis (43) 43
solvent-free conditions (37) 37
geminal diacetates (36) 36
aromatic-aldehydes (35) 35
gem-diacetates (35) 35
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chemistry (33) 33
diacetates (32) 32
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chemistry, physical (26) 26
protection (26) 26
geminal diacetates acylals (24) 24
efficient (23) 23
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acetylation (19) 19
acid (18) 18
efficient catalyst (18) 18
acetic-anhydride (17) 17
carbonyl-compounds (17) 17
chemoselective (17) 17
acetic anhydride (16) 16
alcohols (16) 16
cleavage (15) 15
ionic liquid (15) 15
recyclable catalyst (15) 15
geminal-diacetates (14) 14
acylal (13) 13
catalysis (13) 13
ketones (13) 13
microwave irradiation (13) 13
acetals (12) 12
efficient method (12) 12
one-pot synthesis (12) 12
catalysts (11) 11
diacetylation (11) 11
aldehyde (10) 10
derivatives (10) 10
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physical chemistry (10) 10
acetalization (9) 9
acylation (9) 9
benzaldehyde diacetates (9) 9
benzylidene diacetates (9) 9
inorganic chemistry (9) 9
montmorillonite clay catalysis (9) 9
organic chemistry (9) 9
silica (9) 9
1-diacetates (8) 8
chemistry, inorganic & nuclear (8) 8
chemistry/food science, general (8) 8
efficient conversion (8) 8
letter (8) 8
reagents (8) 8
chloride (7) 7
efficient synthesis (7) 7
engineering, chemical (7) 7
silica sulfuric-acid (7) 7
sulfonic-acid (7) 7
trichloride (7) 7
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acids (6) 6
analytical chemistry (6) 6
cobalt-catalyzed reaction (6) 6
ethers (6) 6
heterogeneous catalysis (6) 6
indium tribromide (6) 6
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zeolite (6) 6
chemoselectivity (5) 5
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esters (5) 5
expansive graphite (5) 5
gem-diacetate (5) 5
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room temperature (5) 5
sio (5) 5
sulfamic acid (5) 5
sulfuric acid (5) 5
water (5) 5
1,1‐diacetates (4) 4
aldehyd (4) 4
amines (4) 4
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Applied Catalysis A: General, ISSN 0926-860X, 11/2012, Volume 445-446, pp. 359 - 367
We report a new multistep method for preparing functionalized superparamagnetic Fe O @SiO possessing high saturation magnetization. During the first step, Fe O... 
Nanocatalyst | Superparamagnetic | 1,1-Diacetates | Schiff base complex | Solvent-free
Journal Article
Journal of molecular catalysis. A, Chemical, ISSN 1381-1169, 2013, Volume 378, pp. 227 - 231
•Chemoselective synthesis of acylals from aldehydes in the presence of ketones.•Solvent-free reaction conditions.•Exceedingly simple workup and uncomplicated... 
Acylals | 1,1-Diacetates | Solvent-free | SBA-15 | Protecting groups | CONVERSION | ACETYLATION | DIACETYLATION | CHEMISTRY, PHYSICAL | ALDEHYDES | CATALYST | HIGHLY EFFICIENT | EFFICIENT METHOD | MILD | SILICA | Environmental aspects | Pyridine
Journal Article
Applied Catalysis A, General, ISSN 0926-860X, 07/2014, Volume 482, pp. 99 - 107
Journal Article
Synlett, ISSN 0936-5214, 2000, Volume 2000, Issue 5, pp. 0623 - 0624
Aldehydes react with acetic anhydride in the presence of a catalytic amount of N-bromosuccinimide (NBS) to give their corresponding 1,1-diacetates... 
letter | N-bromo-succinimide | Acylals | Gem-diacetates | 1,1-diacetates | Protection | GEMINAL DIACETATES | acylals | CHEMISTRY, ORGANIC | protection | gem-diacetates
Journal Article
Chemistry Letters, ISSN 0366-7022, 4/2003, Volume 32, Issue 4, pp. 366 - 367
A trace of an aqueous solution of zinc tetrafluoroborate was demonstrated to catalyze the conversion of an aldehyde to its 1,1-diacetate by acetic anhydride... 
ACYLALS | ETHERS | 1,1-DIACETATES | DEPROTECTION | CHEMISTRY, MULTIDISCIPLINARY | DICARBOXYLATES
Journal Article
Journal of Molecular Catalysis. A, Chemical, ISSN 1381-1169, 11/2012, Volume 363-364, pp. 10 - 17
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2001, Volume 42, Issue 46, pp. 8133 - 8135
Aromatic aldehydes are smoothly converted into the corresponding acylals in good yields in the presence of 0.10 mol% Bi(OTf) 3· xH 2O. Ketones are not affected... 
bismuth and compounds | protecting groups | acylals | acylation | Bismuth and compounds | Acylals | Protecting groups | Acylation | CONVERSION | CHEMISTRY, ORGANIC | CATALYST | DEPROTECTION | SOLVENT | KETONES | GEMINAL DIACETATES | 1,1-DIACETATES | DIELS-ALDER REACTION | TRIFLUOROMETHANESULFONATE | CHLORIDE
Journal Article
Iranian Journal of Science and Technology, Transactions A: Science, ISSN 1028-6276, 6/2017, Volume 41, Issue 2, pp. 343 - 353
Fe3O4@SiO2-imid-PMAn efficiently catalyzed the conversion of aromatic, heteroaromatic, and aliphatic aldehydes to 1,1-diacetates under solvent-free conditions... 
Nanocatalyst | Materials Science, general | Deprotection | Earth Sciences, general | 1,1-Diacetates | Aldehydes | Engineering | Life Sciences, general | Magnetic separation | Chemistry/Food Science, general | Chemoselective | Engineering, general | Physics, general
Journal Article
Synlett, ISSN 0936-5214, 2000, Volume 2000, Issue 3, pp. 359 - 360
Cu(OTf)(2) was found to be an efficient catalyst for acylation reaction of aldehydes with acetic anhydride in CH2Cl2. 
letter | Aldehydes | Acylal | Diacetylation | diacetylation | acylal | aldehydes | 1,1-DIACETATES | DIACETATES | CHEMISTRY, ORGANIC | CATALYST | DEPROTECTION | ZEOLITE
Journal Article
Synlett, ISSN 0936-5214, 10/2002, Volume 2002, Issue 10, pp. 1677 - 1678
Abstract A mild and efficient method has been developed for the chemoselective synthesis of GEMINAL diacetates (acylals) from aldehydes using acetic anhydride... 
letter | Ceric ammonium nitrate | Acylals | Aldehydes | Chemoselective | GEMINAL DICARBOXYLATES | REAGENTS | MECHANISM | CONVERSION | DIACETATES | CHEMISTRY, ORGANIC | AROMATIC-ALDEHYDES | aldehydes | 1,1-DIACETATES | acylals | COBALT(II)-CATALYZED REACTION | ceric ammonium nitrate | ACETIC-ANHYDRIDE | chemoselective
Journal Article
Journal of the Chilean Chemical Society, ISSN 0717-9324, 2016, Volume 61, Issue 1, pp. 2780 - 2783
Aldehydes compounds selective converted to 1,1-diacetates as protective reagent with SiO2@FeSO4 nano composite as effective nano catalyst at room temperature... 
catalyst | SiO | 1,1-Diacetates | Aldehydes | @FeSO | Solvent-free | Acetic anhydride | ACYLALS | CONVERSION | DIACETATES | CONVENIENT | CHEMOSELECTIVE SYNTHESIS | SULFONIC-ACID | DEPROTECTION | CHEMISTRY, MULTIDISCIPLINARY | ALCOHOLS | REUSABLE CATALYST | EFFICIENT CATALYST | SiO2@FeSO4 catalyst
Journal Article
Synlett, ISSN 0936-5214, 3/2002, Volume 2002, Issue 4, pp. 604 - 606
Abstract An efficient and highly selective method for the conversion of aldehydes to GEM-diacetates is described using lithium tetrafluoroborate under mild... 
letter | Gem-diacetates | Lithium tetrafluoroborate | Aldehydes | ACYLALS | lithium tetrafluoroborate | aldehydes | GEMINAL DIACETATES | 1,1-DIACETATES | CHEMISTRY, ORGANIC | CATALYST | gem-diacetates
Journal Article
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