The chemical compound which possesses the ester formationPROBLEM TO BE SOLVED: To provide inexpensive polyester fiber having excellent mechanical properties, dyeability and fabric hand without fluffs and fiber fineness unevenness and provide its production.中塚 均...
ester What are the monomers and polymers of protein? Which of the following is an example of a monosaccharide? 1. Maltose 2. Lactose 3. Galactose 4. Amylose 5. None of the above What is the main compound formed in the digestion of carbohydrates? Classify each of the following carbohydrates...
nde the corresponding iso compound. By. the mtera?t10n of chlorhydrin with mono- dtmet?ylammes he obtained the mono- and dtmethyldioxy ethylene amines. In 1882 the action of an aromatic amine (p-tolui- dine) and propylene oxide was tried, p-toluidine was isolated as a crystalhne .In...
A compound that contains the anion SO₄²⁻. Sulfates are found in various minerals. A salt or ester derived from sulfuric acid. Magnesium sulfate is commonly known as Epsom salt. A group in chemistry signifying the presence of sulfur and oxygen. ...
aNext, commercially available N-acetylmuramoyl-L-alanyl-D-isoglutamine (115) was subjected to hydroxybenzotriazole (HOBT) and DIC in DMF to provide the corresponding succinimide ester 116 which was condensed with compound 114 to provide mifamurtide (IX). 其次,买得到的N-acetylmuramoyl-L-alanyl-D-...
The elucidation of the structure of compound 3b, both in the solid state and in solution, has revealed that nN-σ*CH2-N3R+ orbital overlap confirms that an anomeric effect is present in the ammonium salt. This straightforward, one-step process provides a convenient preparative method for mono-...
R4 and R5 are identical or different and represent hydrogen, an alkyl or alkenyl group which has up to 10 C atoms and is optionally substituted by halogen, or halogen. 2. A compound according to claim 1, in which R1 is hydrogen. 3. A compound according to claim 1, in which R2 is...
(a) etherifying an epoxide compound of the formula in which n is an integer, with an unsaturated monohydric alcohol containing at least one ethylenic double bond and having from 3-20 carbon atoms, by heating, preferably in the presence of a catalyst, in proportions such that at least 1.2...
Generally, the quantity of amine group containing compound is preferably present in an amount such that there are from about 0.5 to about 5 moles of amine per equivalent of halogen group in the polyether polyol containing halogenated carbon atoms (i.e. the halogenated polyether polyol). More pre...
Preparation of alkene comprises metathesis reaction of unsaturated compound containing at least an alkene or alkyne unit in the presence of one or more homogenous metathesis active catalysts, where the metathesis is carried out in the presence of an electron-poor aromatic compounds. ...