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2,3-Dichloro-5,6-dicyano-1,4-benzoquinone (or DDQ) is the chemical reagent with formula C 6 Cl 2 (CN) 2 O 2. This oxidant is useful for the dehydrogenation of alcohols, [3] phenols, [4] and steroid ketones. [5] DDQ decomposes in water, but is stable in aqueous mineral acid. [6]
Sequential treatment with trimethylsilyl iodide then methanol can also be used for Boc deprotection, [7] [8] especially where other deprotection methods are too harsh for the substrate. [9] The mechanism involves silylation of the carbonyl oxygen and elimination of tert -butyl iodide ( 1 ), methanolysis of the silyl ester to the carbamic acid ...
The Journal of Portfolio Management is a quarterly academic journal for finance and investing, covering topics such as asset allocation, performance measurement, market trends, risk management, and portfolio optimization. [1] The journal was established in 1974 by Peter L. Bernstein. [2] The editor-in-chief is Frank J. Fabozzi (Yale University).
The journal is abstracted and indexed in the Social Sciences Citation Index, ProQuest, Current Contents/Social & Behavioral Sciences, and EBSCO databases. [3] According to the Journal Citation Reports, the journal has a 2022 impact factor of 5.1, ranking it 17 out of 111 journals in the category "Business Finance" (Q1 in Clarivate Analytics ...
The Journal of Financial and Quantitative Analysis is a peer-reviewed academic journal published eight times a year by the Michael G. Foster School of Business at the University of Washington in cooperation with the W. P. Carey School of Business at Arizona State University, Boston College Carroll School of Management, HEC Paris, the Purdue University Krannert School of Management, and the ...
The Journal of Wealth Management is a quarterly academic journal covering the management of high-net-worth taxable portfolios. Articles offer practical investment strategies in private wealth management , commentary on estate and financial planning, research on goals-based investing , behavioral finance and family office management.
The use of triethylsilane as a carbocation scavenger in the presence of trifluoroacetic acid in dichloromethane has been shown to lead to increased yields, decreased reaction times, simple work-up and improved selectivity for the deprotection of t-butyl ester and t-butoxycarbonyl sites in protected amino-acids and peptides in the presence of ...
The use of protective groups is pervasive but not without criticism. [103] In practical terms their use adds two steps (protection-deprotection sequence) to a synthesis, either or both of which can dramatically lower chemical yield. Crucially, added complexity impedes the use of synthetic total synthesis in drug discovery.