WebMethoxyethoxymethyl ethers (MEM) R R—0CH20CH2CH20Me Formation: Me0CH2CH20CH2Cl, NaH.THF Me0CH2CH20CH2C1 CH2C12. i-PrzEtN Cleavage Lewis acids such as znBr2. Tick. Benzyloxymethyl ethers (BOM) R_OH Formation: PhCHz0CH2Cl. CHzClz. i-pr2EtN Cleavage: Ha, pt02 Et0H . WebPROTECTING GROUPS 58 Methoxyethoxymethyl ethers (MEM) R-OH → R-OCH2OCH2CH2OMe stable to base and mild acid Formation: - MeOCH2CH2OCH2Cl, NaH, THF - MeOCH2CH2OCH2Cl, CH2Cl2, iPr2EtN TL 1976, 809 Cleavage - Lewis acids such as ZnBr2, TiCl4, Me2BBr2 C 5 H 11 O MEM-O

2-Methoxyethoxymethyl chloride, 94%, Thermo Scientific Chemicals

WebACKNOWLEDGMENTS As always, completion o af project requires more than just the work th oef authors. Without the consideration, support and patience spouses of : Margaret (Brad), Mary (Mike) and Michelle (Frank), Web19 dec. 2006 · A Lewis Acid-Catalyzed Procedure for the Conversion of 2-Methoxyethoxymethyl Ethers to Carboxylic Esters. Raymond S. Gross Division of Medicinal Chemistry, Department of Chemistry , Lucille Parker Markey Cancer Center, University of Kentucky , Lexington, KY., 40506 & graduation picture hair and makeup

CAS 3970-21-6 2-Methoxyethoxymethyl chloride products price …

Web8 jul. 2005 · The methodology takes advantage of photocyclization reaction of 1-methoxyethoxymethyl-3-pivaloxymethylpyridinium perchlorate to generate a bicyclic-aziridine intermediate, which is transformed under aziridine ring opening conditions to the key intermediate, 3,5-diacetoxy-3-pivaloxymethyl-4-(N-acetylamino)cyclopentene. WebShih-Yuan Lee, A., Hu, Y.-J., & Chu, S.-F. (2001). A simple and highly efficient deprotecting method for methoxymethyl and methoxyethoxymethyl ethers and ... WebThe present invention relates to new anthelmintic compounds. These compounds can for example be used in the treatment of the kind of worm disease caused by helminths such as Dirof graduation picture size philippines