A one-pot coupling of a 1,3-diketone, an aldehyde, and an alkanethiol has been developed to produce a protected sulfide. Through use of an o-nitrophenylbenzaldehyde, this method provides a one-step route to a photochemically reversible thiol-protecting group. The kinetics of photolysis were established using H-1 NMR analysis, which allows for the rate to be based on the entire reaction scheme.
Ahluwalia; Sahay, Ranjana; Das, Umashankar, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996, vol. 35, # 11, p. 1211 - 1213
作者:Ahluwalia、Sahay, Ranjana、Das, Umashankar
DOI:——
日期:——
Synthesis of 3,4-dihydro-3,3-dimethyl-1(2H)-acridinone
The acridinone derivative 3,4-dihydro-3,3-dimethyl-1(2H)-acridinone (4) has been prepared in a two step fashion and the molecular structure confirmed by X-ray diffraction. Compound 4 crystallizes in the space group P2(1)/n with a = 6.022(2), b = 21.111(2), c = 9.604(2) Angstrom, beta = 99.97(2)degrees, and Z = 4. The single crystal analysis showed the acridinone tricyclic ring is virtually planar except in the gem-dimethyl position of C(3) which presented a half-chair conformation.
A Three-Component Photoreversible Tag for Thiols
作者:Kristine M. Clarke、James J. La Clair、Michael D. Burkart
DOI:10.1021/jo0481396
日期:2005.4.1
A one-pot coupling of a 1,3-diketone, an aldehyde, and an alkanethiol has been developed to produce a protected sulfide. Through use of an o-nitrophenylbenzaldehyde, this method provides a one-step route to a photochemically reversible thiol-protecting group. The kinetics of photolysis were established using H-1 NMR analysis, which allows for the rate to be based on the entire reaction scheme.
Synthesis of Quinoline and Quinolin-2(1H)-one Derivatives via Nickel Boride Promoted Reductive Cyclization
作者:Mrinal K. Bera、Rumpa Sarkar、Surya Kanta Samanta、Anila M. Menon、Deepak Chopra、Debabani Ganguly
DOI:10.1055/a-2116-5206
日期:2023.10
diversely substituted quinoline and quinolin-2-one derivatives is disclosed. In situ generated nickel boride proved to be an effective promoter of the reductive cyclization reaction. Broad substrate scope, mild reaction conditions, consistent yield, and a wide range of functional group tolerance are the other notable features of the newly discovered reaction. A large number of quinoline and quinolin-2-one