Đặt câu với từ "aldehyde|aldehydes"
1. Aldehydes, such as acetic aldehyde: minimum 3, maximum 60
2. And, in the end, it turns out that nearly every third aroma material is an Aldehyde, but some of the main Aldehydes are not Aldehydes at all.
3. Aldehyde - Aldehyde - Properties of Aldehydes: The only structural difference between hydrocarbons and Aldehydes is the presence in the latter of the carbonyl group, and it is this group that is responsible for the differences in properties, both physical and chemical
4. For the common name of Aldehydes start with the common parent chain name and add the suffix -Aldehyde
5. Aldehydes synonyms, Aldehydes pronunciation, Aldehydes translation, English dictionary definition of Aldehydes
6. Aldol definition is - a colorless beta-hydroxy aldehyde C4H8O2 used especially in organic synthesis; broadly : any of various similar aldehydes.
7. The Aldol addition of 86 occurs to a variety of aldehydes with greater than 95 : 5 facial selectivity on the aldehyde
8. Aldehyde - The Aldehydes are a very important class of organic compounds; they are characterized by the presence of the formal functional group -CHO
9. The raw alkylphenol composition is reacted directly, without pre-purification, with one or more aldehydes to form an in-situ alkylphenol-aldehyde resin.
10. Aldehydase aldehyde aldehyde base aldehyde dehydrogenase aldehyde fuchsin aldehyde-lyase aldehyde mutase aldehyde oxidoreductase aldehyde reductase aldehyde test Alden Alder Alder body alder buckthorn alder dogwood Alder flycatcher alder grove Alder's anomaly alder tree Aldercy alderfly alderman Alderney sea-lavender Alderson-Broaddus College
11. Soon it was followed by similar substances: so-called “Aldehyde C-16” (“strawberry Aldehyde”), “Aldehyde C-18” (“coconut Aldehyde”), “Aldehyde C-20” (“raspberry Aldehyde”) and others
12. This avoids the dangers of having to work with free $g(a),$g(b)-unsaturated aldehydes, the aldehydes are not liberated from their storage forms before they are required for the polymerization and a greater proportion of aldehyde groups are incorporated in the copolymers than when free aldehydes are used.
13. This invention is related to modified alkylphenol aldehyde resins and process for preparing them from the reactions of alkylphenols, aldehydes, amines, rosins and fatty acids.
14. || Aliphatic aldehydes Aromatic aldehydes Alicyclic aldehydes Aliphatic acetals Aromatic acetals Alicyclic acetals
15. Crotonic aldehyde
16. Alicyclic aldehydes
17. Ammonium aldehyde
18. Acetaldehyd (German) Acetaldehyde (ACGIH:OSHA) Acetic aldehyde Acetylaldehyde Aldehyde acetique (French)
19. However, Aldehyde abundance in the environment does not always spell doom because many familiar foods contain a variety of non-toxic Aldehydes that in addition to providing flavor to foods (e.g., aniseAldehyde, benzAldehyde, cinnamAldehyde, citral Aldehyde) and beverages (e.g., aniseAldehyde) are almost certain to stimulate beneficial actions
20. Aldehydes calculated as acetaldehyde
21. Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde:
22. ARTIFICIAL ALMOND OIL, Benzaldehyde, BENZENECARBONAL, BENZENECARBOXALDEHYDE, BENZOIC ALDEHYDE, PHENYLFORMALDEHYDE, and PHENYLMETHANOL ALDEHYDE
23. Aldehydes for pharmaceutical purposes
24. Formic aldehyde for pharmaceutical purposes
25. Benzaldehyde is an aromatic aldehyde
26. Benzaldehyde is an aromatic aldehyde
27. 1¿ has the same meaning as in formula (I), with the corresponding low aldehydes and the subsequent reduction of the unsaturated aldehyde thus obtained, if: i) the aldol condensation is performed in an inert organic solvent, and ii) the unsaturated aldehyde is reduced in the presence of a possibly calcined copper-zinc contact.
28. Section 4 Acetylenes from Aldehydes
29. Aldehydes calculated as acetic acid
30. Catalytic antibodies, including 38C2 and 33F12, are capable of efficiently catalyzing a wide variety of ketone-ketone, ketone-aldehyde, aldehyde-ketone, and aldehyde-aldehyde intermolecular aldol reactions, and in some cases to catalyze their subsequent dehydration to yield aldol condensation products.
31. In-situ alkylphenol-aldehyde resins
32. Acyclic aldehydes without other oxygen function: |
33. Polymer aldehyde/siloxane amine networks
34. Formic aldehyde for chemical purposes
35. Section 4 Acetylenes from Aldehydes
36. Learn more about Aldehydes in …
37. • Ethers; Acetals; Ketals; Aldehydes; Ketones
38. Acyclic aldehydes without other oxygen function
39. Aldehydes Aldrich ChemFiles 2007 , 7.8 , 3
40. The Aldol condensation is a reaction that is named based on the type of product formed when two aldehydes (or ketones), in the presence of dilute base, yields a molecule having both alcohol and aldehyde functional groups
41. Aldehydes triggered a revolution in perfumery
42. Benzyl alcohols/aldehydes/acids/esters/acetals
43. Acyclic aldehydes without other oxygen function:
44. In an Aldehyde, a carbonyl group is …
45. Spinel structured catalyst for aldehyde production
46. – Acyclic aldehydes without other oxygen function:
47. – Acyclic aldehydes without other oxygen function: |
48. Some Aldehydes are made inside the body
49. Removal of aldehyde impurity by reactive polystyrene resin
50. The carbonyl stretch C=O of saturated aliphatic Aldehydes appears from 1740-1720 cm-1.As in ketones, if the carbons adjacent to the Aldehyde group are unsaturated, this vibration is shifted to lower wavenumbers, 1710-1685 cm-1.See also:
51. An Aldol addition is a reaction that occurs between the enolate of an aldehyde or ketone and the alpha-carbon of another aldehyde or ketone to form a beta-hydroxy aldehyde or ketone
52. Formaldehyde-free resins based on hydroxyl aldehydes
53. N 1/185 . . . . Ethers; Acetals; Ketals; Aldehydes; Ketones
54. This makes the Aldehydes very easy to oxidise
55. Thep-nitrophenylhydrazones of aldehydes are acid-base indicators.
56. •Aldehydes are reduced to primary alcohols R R
57. Acyclic aldehydes without other oxygen function (excluding methanal, ethanal)
58. Primary Alcohols Oxidize to yield __ (functional group) Aldehyde
59. Aldehydes are readily oxidized to give carboxylic acids
60. Aldehydes are considered the most important functional group
61. Aldehyde and Ketone reduction by LiAlH 4 to Alcohols
62. Modified alkylphenol-aldehyde resins stabilized by a salicylic acid
63. LiAlH 4 can reduce Aldehyde and ketone to alcohols
64. Notice, this is an aldehyde, and it's an alcohol.
65. Method for producing primary aliphatic amines from aldehydes
66. Aldehydes can react with air to give peroxo …
67. In addition, Borane rapidly reduces aldehydes, ketones, and alkenes
68. Thus the chemical formula for an Aldehyde functional group is -CH=O, and the general formula for an Aldehyde is R-CH=O.
69. The process comprises the step of reacting a base-modified alkylphenol-aldehyde resin with a salicylic acid to stabilize the base-modified alkylphenol aldehyde resin.
70. Method for producing aldehydes from alkanes and synthesis gas
71. Aldehydes constitute a group of relatively reactive organic compounds
72. They are therefor used as sources for aldehydes and amines.
73. Carboxylic acid with alcohol, phenol, aldehyde or ketone functions
74. Aldehydes reduce the diamminesilver(I) ion to metallic silver
75. Mar 21, 2021 (The Expresswire) -- Global Aldehydes Market size …
76. Aldehydes can be prepared via a number of pathways
77. Blanche by Byredo is a Floral Aldehyde fragrance for women
78. An Aldehyde is most commonly known for their pungent smell
79. Many people have a severe problem with Aldehyde toxicity
80. It Condenses readily with aldehydes, yielding with formaldehyde, on …