Detail of "41355-44-6"

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Isomerization of (trifluoroacetamido)propyl 2-acetamido-2-deoxy-b-D-galactopyranoside into an a-anomer

Isomerization of (trifluoroacetamido)propyl 2-acetamido-2-deoxy-b-D-galactopyranoside into an a-anomer. A facile synthesis of artificial T-antigen. Bovin, N.In this study， 10378-06-0 and 41355-44-6 are also used. V.; Zemlyanukhina, T. V.; Khorlin, A. Ya. (M. M. Shemyakin Inst. Bioorg. Chem., Moscow, USSR). Bioorg. Khim., 12(4), 533-8 (Russian) 1986. CODEN: BIKHD7. DOCUMENT TYPE: Journal CA Section: 33 (Carbohydrates) b-Glycoside I [R = O(CH2)3NHAc, R1 = H], prepd. by glycosidation of I (R = H, R1 = Cl) with HO(CH2)3NHAc in the presence of Hg(CN)2, was isomerized by BF3.Et2O to give 50-60% a-anomer I [R = H, R1 = O(CH2)3NHAc] (II) and oxazoline III. a-Anomer II was converted to benzylidene deriv. IV (R = H) which was glycosidated by acetobromogalactose to give 50% IV (R = 2,3,4,6-tetra-O-acetyl-D-glucopyranosyl), followed by deacetylation to give bioside V, the precursor for artificial T-antigen. .

New selenium compounds from physiological metabolites and their preparation

New selenium compounds from physiological metabolites and their preparation. Suzuki, Kazuo; Ogura, Yasumitsu; Takayama, Hiromitsu; Aimi, Norio ( Japan Science and Technology Corporation, Japan). Jpn. Kokai Tokkyo Koho JP 2004035451 A2 5 Feb 2004, 13 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: C07H015-14. ICS: A23L001-304. APPLICATION: JP 2002-193923 2 Jul 2002. DOCUMENT TYPE: Patent CA Section: 1 (Pharmacology) Section cross-reference(s): 18, 33 New selenium compds. from physiol. metabolites, including 2-acetamide-1,2-dideoxy-b-D-galactopyranosylmethylselenide and its derivs., can be purified from urine and prepd. by chem.There are some commonly used reagents with their cas registry numbers 526222-31-1 and 41355-44-6 in this article. synthesis from D-galactosamine HCl. The selenium compds. can be used for evaluation of selenium nutrition status. .