Cycloalkyl aryl

There are two broad classes of organic peroxyacids peroxycarboxyUc acids, R[C(0)00H], where R is an alkyl, aralkyl, cycloalkyl, aryl, or heterocycHc group and n = 1 or 2, and organoperoxysulfonic acids, RSO2—OOH. PeroxycarboxyUc acids are commonly named by adding the prefix peroxy to the parent acid as in peroxypropionic acid. The prefix per- is accepted only for the weU-estabHshed products, ie, performic, peracetic, and perbenzoic acids. 

The Curtius rearrangement is a useful method for the preparation of isocyanates as well as of products derived thereof. The substituent R can be alkyl, cycloalkyl, aryl, a heterocyclic or unsaturated group most functional groups do not interfere. 

Cycloalkenyl sulphones, reactions of 646 Cycloalkyl aryl sulphones, lithiated 641 Cyclodextrins 59, 72 in asymmetric synthesis of sulphoxides 292... 

Bis(4-hydroxyphenyl) sulphones butadienyl - see Butadienyl sulphones chiral - see Chiral sulphones complexes of 573 cyclic - see Cyclic sulphones cycloalkenyl - see Cycloalkenyl sulphones cycloalkyl aryl - see Cycloalkyl aryl sulphones... 

Fig. 19 Synthesis and cyclative cleavage of 2,4,6-trisubstituted pyrimidines using microwave-assisted solid-phase protocol. Reagents and conditions a DMF, camphorsul-phonic acid, MW 80 °C, 30 min, open vessel b EtONa, EtOH/THF (4/1), MW 130 °C, to min, closed vessel. Y = O, NEt2 R = Me, i-Pr R = Et R" = H, alkyl, cycloalkyl, aryl, benzyl R" = H, Me, Et...

R = alkyl, trimethylsllyl R = H, alkyl, cycloalkyl, aryl, trimethylsllyl... 

Recently, the power of solid-phase synthesis and combinatorial chemistry was employed for the synthesis of several libraries of structurally modified DFO analogs 139 (R -R = alkyl, cycloalkyl, aryl), in addition to nonamide analogs 140 (m, n, p = 1, 3, 5), C-terminal modified nonamide analogs 141 (R = alkyl, aryl, aminoalkyl, m, n, p = 1, 3, 5, a=0, 1), as well as reverse-amide analogs 142 (R -R = alkyl, aminoalkyl, car-... 

There are two broad classes uf organic peroxyacids peroxycarboxylic acids, R[C(0)00H] , where R is an alkyl, aralkyl, cycloalkyl, aryl,... 

Thiazines such as 50 have been prepared by the reaction of C1CH2-CR1=CR2NCS (R1 = alkyl, cycloalkyl, aryl) with a secondary amine in an organic solvent (Scheme 30) (77EGP128124). 

In principle, the synthesis can be realized as a one-pot process treatment of ketones with hydroxylamine in KOH-DMSO following interaction of the formed ketoximes with acetylene. Various pyrroles with alkyl, cycloalkyl, aryl and hetaryl substituents, as well as pyrroles condensed with aliphatic macrocycles, terpenic and steroid structures, together with their vinyl derivatives now become available. 

Trimethylamine N-oxide, either anhydrous or as its readily available dihydrate, smoothly oxidizes a wide variety of alkyl, cycloalkyl, aryl and heterocyclic boron derivatives to the corresponding oiganyl-oxyboranes (equation 22) which, in Ae case of the dihydrate, are hydrolyzed in the reaction mixture. Anhydrous trimediylamine N-oxide is simply prepared and this reagent must be used for the oxidation of a enylboranes if prior hydrolysis is not to compete with oxidation. > Alkynylboranes are not oxidized by trimethylamine N-oxide. ... 

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