Here, we developed a pencil graphite electrode modified with 3-nitro benzoic acid (PGE/p-NBA) as the sensor material for the determination of resorcinol by employing the differential pulse voltammetric method. The fabricated sensor is utilized to quantify the elevated level of resorcinol in well ...
m-CPBA (meta-chloroperoxybenzoic acid) is a useful reagent for the formation of epoxides from alkenes (note – often just called, m-chloroperbenzoic acid, without the “oxy”) In this reaction, the C-C pi bond is broken, and two new C-O single bonds are formed on the same face of...
Production MethodsMetanilic acid can be obtained by sulfonation of aniline sulfate with oleum and boric acid at 20 – 50 ℃. The yield is 98%. For industrial production, however, nitrobenzene is sulfonated to m-nitrobenzenesulfonic acid, which is then reduced either with iron or catalytically ...
reusable template NC Enabled further elaborations R1 R1 = CO2Et or OAc Ns = 4-nitrobenzenesulfonyl O OO S N H N H FO N N N NH O O Mesalazine (asacol) Glyburide (glynase) Olaparib (lynparza) Figure 1 | Transition-metal-catalysed meta-C–H functionalizations of benzoic acid derivatives...
(18). Oxidation-sensitive formyl and amino groups (13,22) and easily reduced nitro groups (19) remain intact. Compounds bearing chloro (9and10), bromo (11), and iodo (12) groups reacted selectively, showcasing the orthogonality of this electrochemical process to traditional catalytic cross-...
However, with 1 equivalent of benzoic acid at room temperature, a slow cyclization to the 1,3,5-oxadiazine-2,4(3H)-dione (125; R = Ph) takes place via a Chapman rearrangement (123) → (124) of the 6-benzoyloxy-1,3,5-oxadiazine-2,4(3H)-dione (123; R = Ph) as outlined in...
有机化合物常⽤缩写表【苯环,对位para-,邻位ortho-,间位meta- 有机化合物常⽤缩写表 有机化合物常⽤缩写表 ABO 2,7,8-Trioxabicyclo[3.2.1]octyl Ac Acetyl ACBZ 4-Azidobenzyloxycarbonyl ACE α-Chloroethoxycarbonyl AcHmb 2-Acetoxy-4-methoxybenzyl Acm Acetamidomethyl Ad 1-Adamantyl Adoc 1-...
(9-Phenyl)xanthenyl PMB p-Methoxybenzyl PMBM p-Methoxybenzoxymethyl Pmc 2,2,5,7,8-Pentamethylchroman-6-sulfonyl Pme Pentamethylbenzenesulfonyl PMS p-Methylbenzylsulfonyl PNB p-Nitrobenzoyl PNBSP p-Nitrobenzenesulfonyl peroxide POM 4-Pentenyloxymethyl or Pivaloxymethyl PPA Polyphosphoric acid PPE ...
8. A process according to claim 1, wherein the lower alkyl ester of meta-halobenzoic acid is substituted with a substituent selected from the class consisting of alkyl, cycloalkyl, aryl and nitro. 9. A process according to claim 1, wherein the copper sulfate and the lower alkyl ester ...
DNA Deoxyribonucleic acid DNB p,p’-Dinitrobenzhyrryl DNMBS 4-(4’,8’-Dimethoxynaphthylmethyl)benzenesulfonyl DNP 2,4-Dinitrophenyl Dobz p-(Dihydroxyboryl)benzyloxycarbonyl DPM Diphenylmethyl DPMS Diphenylmethylsilyl Dpp Diphenylphosphinyl DPPA Diphenylphosphoryl azide Dppe 2-(Diphenylphos...