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Locational comparison of essential oils from selected conifers of Himachal Pradesh
Variation in chemical composition of essential oil of Pinacea family conifers may be attributed to altitude and environmental conditions, principle component analysis on gas chromatographic data reveals.
Chemoselective Reductive Amination of Carbonyl Compounds for the Synthesis of Tertiary Amines Using SnCl2·2H2O/PMHS/MeOH.
Stannous chloride catalyzed chemoselective reductive amination of a variety of carbonyl compounds with aromatic amines has been developed for the synthesis of a diverse range of tertiary amines using
Synthesis of tertiary arylamines: Lewis acid-catalyzed direct reductive N-alkylation of secondary amines with ketones through an alternative pathway.
A highly efficient, tin(ii)/PMHS catalyzed reductive N-alkylation of arylamines with ketones affording tertiary aryamines is reported, convenient for the synthesis of N-substituted isoindolinones and phthalazinones via a tandem amination-amidation sequence.
Iron(III) Chloride‐Catalyzed Decarboxylative–Deaminative Functionalization of Phenylglycine: A Tandem Synthesis of Quinazolinones and Benzimidazoles
The first iron(III) chloride-catalyzed decarboxylative–deaminative functionalization of phenylglycine with o-substituted nitroarenes was achieved for the synthesis of 4(3H)-quinazolinones and
CuI nanoparticles as recyclable heterogeneous catalysts for C–N bond formation reactions
Herein, copper iodide nanoparticles (NPs) are reported for the reductive amination of carbonyl compounds for the first time. The generated NPs were characterized by TEM, EDX, XRD and XPS analyses.
Govanoside B, a new steroidal saponin from rhizomes of Trillium govanianum
The present study demonstrated the isolation of nine steroidal saponins, including one new compound named as govanoside B (9) and eight known, pregna-chacotrioside (1, 2, 4, 5, 6, 7 and 8 from rhizomes of T. govanianum.
Qualitative and quantitative determination of steroidal saponins in Trillium govanianum by UHPLC-QTOF-MS/MS and UHPLC-ELSD.
The present study provides an efficient analytical method for the identification and quantification of steroidal saponins and will be helpful for the quality evaluation of T. govanianum.