One-Pot Biocatalytic Synthesis of Primary, Secondary, and Tertiary Amines with Two Stereocenters from α,β-Unsaturated Ketones Using Alkyl-Ammonium Formate. ACS Catalysis , 2022; 14459 DOI: 10. ...

Secondary sector: Companies involved in manufacturing, construction, and processing producing goods that use the resources obtained from companies within the primary sector. Tertiary sector ...

Save guides, add subjects and pick up where you left off with your BBC account. There are four main types of industry: primary, secondary, tertiary and quaternary. The type of industry a country ...