Reference

Amides of 3,4,5-trimethoxybenzoic acid

Amides of 3,4,5-trimethoxybenzoic acid. Portnyagina, V. V.; Klyushin, V. V.; Kolyadich, E. P.; Turov, A. V. (NII Farmakol. Toksikol., Kiev, USSR). Ukr. Khim. Zh. (Russ. Ed.), 52(5), 524-7 (Russian) 1986. CODEN: UKZHAU. ISSN: 0041-6045. DOCUMENT TYPE: Journal CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Treating 3,4,5-(MeO)3C6H2COCl with amines I (R = H, Me, Ph), (H2NCH2CH2)2S2, (4-H2NC6H4)2S2, or PhCH2NH2 in dioxane contg. Et3N gave the corresponding amides in 30-43% yields.Except for chemicals metioned above, 4521-61-3 and 2002-03-1 are also used. .

Synthesis of reserpine-type alkaloids

Synthesis of reserpine-type alkaloids. II. Synthesis of 18-hydroxyyohimbine stereoisomers and raunescine analogs with normal skeletons. Szantay, Csaba; Honty, Katalin; Blasko, Gabor; Baitz-Gacs, Eszter; Kolonits, Pal (Dep. Org. Chem., Tech.Several reagents with their cas registry numbers 4521-61-3 and 87554-44-7 are used here. Univ., Budapest H-1521, Hung.). Liebigs Ann. Chem., (8), 1278-91 (English) 1983. CODEN: LACHDL. ISSN: 0170-2041. DOCUMENT TYPE: Journal CA Section: 31 (Alkaloids) The indoloquinolizine I was converted into the raunescine analogs II, III and IV [R = 3,4,5-(MeO)3C6H2CO, R1 = H] and the isoraunescine isomers IV [R = H, R1 = 3,4,5-(MeO)3C6H2CO] via cyclization of the indoloquinolizine V. .