Ortho ester (redirect from Orthoesters)
attached to one carbon atom, i.e. with the general formula RC(OR')3. Orthoesters may be considered as products of exhaustive alkylation of unstable orthocarboxylic...
7 KB (771 words) - 15:07, 1 October 2024
method is an orthoester. In this case, water produced along with the acetal product is destroyed when it hydrolyses residual orthoester molecules, and...
9 KB (1,122 words) - 00:44, 4 November 2024
Trimethyl orthoformate (category Orthoesters)
compound with the formula HC(OCH3)3. A colorless liquid, it is the simplest orthoester. It is a reagent used in organic synthesis for the formation of methyl...
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to give various useful products: With an excess of alcohol to form an orthoester With ammonia or an amine to form an amidine (di-nitriles may form imidines...
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Triethyl orthoacetate (category Orthoesters)
is the organic compound with the formula CH3C(OC2H5)3. It is the ethyl orthoester of acetic acid. It is a colorless oily liquid. Triethyl orthoacetate is...
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to the carbonyl group of the ester. The immediate product is called an orthoester. Expulsion of the alkoxide generates a carboxylic acid: The alkoxide ion...
12 KB (1,246 words) - 13:38, 28 January 2024
Ester (section Orthoesters)
organic lactone is γ-valerolactone. An uncommon class of esters are the orthoesters. One of them are the esters of orthocarboxylic acids. Those esters have...
46 KB (4,840 words) - 14:46, 25 October 2024
Johnson–Claisen rearrangement is the reaction of an allylic alcohol with an orthoester to yield a γ,δ-unsaturated ester. Weak acids, such as propionic acid,...
24 KB (2,491 words) - 15:37, 26 September 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
61 KB (7,066 words) - 14:31, 30 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
19 KB (1,835 words) - 18:47, 14 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
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Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
64 KB (6,657 words) - 20:26, 5 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
91 KB (9,542 words) - 21:02, 26 October 2024
steroids and hence is referred to as biomimetic. In the next step the enol orthoester is hydrolyzed to produce the ketone 15. The cyclopentene A-ring is then...
123 KB (11,583 words) - 00:00, 6 November 2024
Tetrodotoxin (category Orthoesters)
Tetrodotoxin (TTX) is a potent neurotoxin. Its name derives from Tetraodontiformes, an order that includes pufferfish, porcupinefish, ocean sunfish, and...
67 KB (6,817 words) - 15:15, 18 September 2024
requirements are spiro orthoesters, spiro orthocarbonates, bicyclic ketal lactones and bicyclic orthoesters. Most expanding monomers are orthoesters, either spiro...
19 KB (2,063 words) - 21:21, 7 December 2023
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
32 KB (3,498 words) - 18:24, 4 November 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
16 KB (1,935 words) - 16:58, 7 September 2024
using thioglycosides and imidates can promote the rearrangement of the orthoester byproducts, since the reaction mixtures are acidic enough. The structures...
11 KB (1,352 words) - 13:29, 24 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
26 KB (2,619 words) - 13:56, 13 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
24 KB (2,895 words) - 09:31, 2 November 2024
Acetal) Ketal (or Acetal) RC(OR")(OR‴)R' dialkoxy- -one dialkyl ketal Orthoester Orthoester RC(OR')(OR")(OR‴) trialkoxy- Heterocycle (if cyclic) Methylenedioxy...
32 KB (1,230 words) - 12:24, 22 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
30 KB (3,075 words) - 03:27, 5 November 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
17 KB (1,905 words) - 15:06, 25 August 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
36 KB (3,227 words) - 20:29, 27 October 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
3 KB (270 words) - 05:58, 21 February 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
36 KB (3,789 words) - 11:52, 8 November 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
15 KB (1,639 words) - 01:16, 24 August 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
7 KB (787 words) - 23:32, 27 August 2024
Dioxiranes Ethylenedioxy Methylenedioxy carbonyl Acyl Acetyl Acryloyl Benzoyl Aldehyde Ketene Ketone Ynone carboxy Carboxyl Acetoxy Anhydride Ester Orthoester...
14 KB (1,505 words) - 11:58, 29 April 2024