Reaction of Aluminum Haloalkoxide with Diazomethane
نویسندگان
چکیده
منابع مشابه
Reaction of Silk Fibroin with Diazomethane
The treatment of silk with an ethereal solution of diazometbane result ed in a rapid decrease in tyrosine content, with no appreciable d ecrease in tensile strength <o f the fibers . The results indicate that the hydroxyl groups of tyrosine in the 'Untreated fibers are free. The total methoxyl content after treatment of the fiber for 25 hours or longer was greater than could be accounted for by...
متن کاملReaction of aluminum clusters with water.
The atomistic mechanism of rapid hydrogen production from water by an aluminum cluster is investigated by ab initio molecular dynamics simulations on a parallel computer. A low activation-barrier mechanism of hydrogen production is found, in which a pair of Lewis acid and base sites on the cluster surface plays a crucial role. Hydrogen production is assisted by rapid proton transport in water v...
متن کاملRing-expansion reaction of oximes with aluminum reductants.
The ring-expansion reactions of heterocyclic ketoximes and carbocyclic ketoximes with several reductants such as AlHCl2, AlH3 (alane), LiAlH4, LiAlH(OtBu)3, and (MeOCH2CH2O)2AlH2Na (Red-Al) were examined. Among reductants, AlHCl2 (LiAlH4:AlCl3 = 1:3) in cyclopentyl methyl ether (CPME) has been found to be a suitable reagent for the reaction, and the rearranged cyclic secondary amines were obtai...
متن کاملProcessing and Properties of ZrO2-Containing Reaction-Bonded Aluminum Oxide with High Initial Aluminum Contents
The reaction-bonded aluminum oxide (RBAO) process relies upon the oxidation of Al/Al2O3 powder compacts, and many of its associated advantages stem from the presence of the aluminum in the green powder. Higher aluminum contents in the starting powders allow for higher green strengths, densities, and lower overall shrinkage, all while producing a fine-grained, high-strength sintered material. Ho...
متن کاملReactions of Diazomethane with Sulfonyl-activated Double Bonds
The cyclo-addition reaction of diazomethane with a,/3-unsaturated sulfones is described. Divinyl sulfone and phenyl vinyl sulfone give 1or 2-pyrazolines depending on the reaction conditions. cisand /rans-l,2-Bis(methylsulfonyl)ethene form pyrazolines, which on reaction with either triethylamine or excess of diazomethane lead to substituted pyrazoles. The addition of diazomethane to doüble bonds...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1968
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.41.1005