(a)
Mercury (II) oxide, also called mercuric oxide, has a formula of HgO.
HgO is sometimes used in the production of mercury since it decomposes quite easily. When it decomposes, oxygen gas is generated.
It is also used as a material for anodes for mercury batteries.
(b) MCPBA = m-chloroperbenzoic acid
(c) The [3,3]-sigmatropic rearrangement of allyl vinyl ethers leads to -enones and is known as the Claisen rearrangement.
(d) LDA = lithium diisopropyl-amide
The [3, 3]-sigmatropic rearrangement of allyl vinyl ethers leads to -enones and is known as the Claisen rearrangement.
Diazomethane -
(e)
LDA = lithium diisopropyl-amide
(f)
(g)
DBU
DBU is a chemical compound and belongs to the class of amidine compounds.
It is used in chemistry as a catalyst.
(h)
(i)
(j) Double-bond migration takes place in the presence of a base