Detail of "13222-85-0"

CAS Number:
13222-85-0
Name:
Benzoic acid,4-methyl-, 1,1'-anhydride
Superlist Name:
4-Methylbenzene-1-carboxylic anhydride
Molecular Structure:
Formula:
C16H14 O3
Molecular Weight:
254.28
Synonyms:
Benzoicacid, 4-methyl-, anhydride (9CI); p-Toluic anhydride (6CI,7CI,8CI);4-Methylbenzoic acid anhydride; 4-Methylbenzoic anhydride; p-Methylbenzoicanhydride
Density:
1.159g/cm³
Boiling Point:
411.6°Cat760mmHg
Flash Point:
196°C

Display：

Assay:≥98%

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Lipase-mediated desymmetrization of glycerol with aromatic and aliphatic anhydrides: Lipase-mediated desymmetrization of glycerol with aromatic and aliphatic anhydrides. Batovska, Daniela I. 100-79-8 and 13222-85-0 are also occured in this study.; Tsubota, Shuichirou; Kato, Yasuo; Asano, Yasuhisa; Ubukata, Makoto (Biotechnology Research Center, Toyama Prefectural University, Toyama 939-0398, Japan). Tetrahedron: Asymmetry, 15(22), 3551-3559 (English) 2004 Elsevier B.V. CODEN: TASYE3. ISSN: 0957-4166. DOCUMENT TYPE: Journal CA Section: 23 (Aliphatic Compounds) Chirazyme L-2 (Candida antarctica) catalyzed monoesterification of glycerol with arom. and aliph. anhydrides in 1,4-dioxane is described. All the arom. monoacylglycerols (MAGs) were produced as (R)-enantiomers, while aliph. MAGs were obtained either as racemic mixts. or the (S)-enantiomers. The influence of substituted arom. rings, chain length, and presence of a conjugated double bond in the acyl donor moiety on the enantiotopic selectivity as well as the efficiency of the enzyme was studied. .

Synthesis of anhydrides from acyl chlorides under ultrasound conditions: Synthesis of anhydrides from acyl chlorides under ultrasound conditions. Hu, Yulai; Wang, Jin-Xian; Li, Shihua (Inst. Chem., Northwest Normal Univ., LanZhou 730070, Peop. Rep. China). 13222-85-0 and 538-56-7 which are cas registry numbers are also used here. Synthetic Communications, 27(2), 243-248 (English) 1997 Dekker. CODEN: SYNCAV. ISSN: 0039-7911. DOCUMENT TYPE: Journal CA Section: 21 (General Organic Chemistry) A convenient and general method for the synthesis of sym. anhydrides under ultrasound conditions is described. Ultrasound treatment of RCOCl and sodium bicarbonate in a solvent gave 90-8% (RCO)2O [R = Ph, o-, m-, p-O2NC6H4, o-, p-ClC6H4, p-BrC6H4, PhCH:CH, p-tolyl, Me(CH2)14, Me(CH2)16]. .