作者:Sylvie L. Tardif、Andrzej Z. Rys、Charles B. Abrams、Imad A. Abu-Yousef、Pierre B.F. Lesté-Lasserre、Erwin K.V. Schultz、David N. Harpp
DOI:10.1016/s0040-4020(97)00555-3
日期:1997.8
The chemistry of the generation and trapping of diatomicsulfur (S2) and sulfur monoxide (SO) are reviewed with special emphasis on recent work, including initial efforts to detect and trap diatomic selenium (Se2).
Photolytic, autocatalyzed decomposition of benzylic dialkoxy disulfides
作者:DiAndra M. Rudzinski、Ronny Priefer
DOI:10.1016/j.tetlet.2009.01.115
日期:2009.4
fragmentation to liberate trappable S2, and can yield an alkoxy radical under photolytic conditions. We have examined a family of benzylic dialkoxy disulfides (X–Ph–CH2–O–S–S–O–CH2–Ph–X) under photolytic conditions and observed a correlation of decomposition based upon the substituent. We have been able to show that the decomposition is autocatalyzed and has a parabolic correlation with Swain and Lupton’s
Disclosed is a method of inhibiting the growth of microorganisms in, at, or on a locus subject to microbial attack, comprising introducing to said locus an antimicrobially effective amount of at least one alkoxy disulfide of formula:R1-CHR3-O-S-S-O-CHR4-R2 wherein:
R1, R2are independently selected from 5- or 6-membered aromatic rings, optionally substituted with up to 3 e· donating substituents of which 2 can optionally be combined to form another ring; and
R3, R4are independently selected from H, CH3, or CH2CH3.
Preparation of 4-Substituted Benzyl Sulfoxylates and Related Chemistry
作者:Sylvie L. Tardif、David N. Harpp
DOI:10.1021/jo991360b
日期:2000.8.1
sulfoxylates (7b, 4-NO(2); 7c, 4-Cl; 7d, 4-CH(3)O, 7e: 4-CH(3)) are reported. The unexpected stability of 7b has permitted the first X-ray determination at room temperature of a sulfoxylate. The thermalisomerization of sulfoxylates 7b-c to sulfinates 8b-c was studied in different solvents (toluene-d(8), CDCl(3), and CD(3)CN) and interpreted as a concerted unimolecular process following first-order kinetics
Thermochemical properties of dibenzyloxy disulfides
作者:Eric G. Stoutenburg、Anne E. Palermo、Ronny Priefer
DOI:10.1016/j.tca.2012.10.028
日期:2013.1
The in situ thermal behavior of dialkoxy disulfides (-OSSO-) has been previously explored, however their neat thermal stability has yet to be examined. We synthesized a library of ten dibenzyloxy disulfide derivatives with various para-substituents. Each derivative was analyzed by TGA and DSC to discern molecular fragmentation. A correlation of the pattern of fragmentation to Swain and Lupton's R-value was observed. Also, DSC analysis revealed that when the para-substituent was a phenyl (i.e. bis(p-phenylbenzyloxy) disulfide), and successive runs were performed, the thermogram showed the presence of the fragmentation, and upon H-1 NMR analysis its corresponding alcohol and aldehyde were observed. (C) 2012 Elsevier B.V. All rights reserved.