Cyclization of Dialkyl‐(4‐hydroxy‐2‐butynyl)(3‐alkenyl‐propargyl)ammonium Salts and Recyclization of the 2,2‐Dialkyl‐4‐hydroxymethylisoindolinium Salts Obtained.

AbstractThe title amines have been pyrolyzed in a stirred‐flow reactor, at temperatures of 360–500°C, pressures of 7–16 torr, and residence times of 0.5–2.9 s, using toluene as car...

Summary1. The chemical nature of the bile salts is a character that must be under the control of several genes and is also affected by intestinal micro‐organisms and perhaps again ...

Treatment of wastewater from super-intensive shrimp farming (SISF) for discharge or recirculation purposes is currently attracting the attention of managers and researchers. The fi...

Ammonium ions have positive effects on the sulfidization flotation of malachite; however, the underlying mechanisms remain poorly understood. In the present work, micro-flotation t...

During the 2023–2024 Rabi season, a field study was conducted at the Agronomy Research Farm at Acharya Narendra Deva University of Agriculture and Technology in Kumarganj, Ayodhya....

A specimen of symmetrically tritiated 3S‐3‐hydroxy[2‐3H2]butyryl‐CoA was prepared from acetoacetyl‐CoA by incubation in tritiated water, followed by enzymic reduction using 3S‐spec...

Abstract Background Natural zeolite, abundant hierarchically porous structure aluminosilicate mineral, have high affinity to ammonium in solution. A considerable amount of ...

ObjectiveWe investigated the horizontal migration and transformation of nitrogen in soil with oxalic acid and inhibitors (e.g., nitrification inhibitors, DMPP, urease inhibitors, a...