Questions from Organic Chemistry

Q: Predict the product(s) obtained when benzoquinone is treated with

Predict the product(s) obtained when benzoquinone is treated with excess butadiene:

Q: Propose a mechanism for the following transformation: /

Propose a mechanism for the following transformation:

Q: Cholesta-4,6,8(14)-triene,

Cholesta-4,6,8(14)-triene, shown below, was isolated from the thigh gland secretion of the male Great Basin Collared Lizard Crotaphytus bicinctores and is believed to be used for communication.6 Using...

Q: α-Terpinene is a pleasant-smelling compound present in the

α-Terpinene is a pleasant-smelling compound present in the essential oil of marjoram, a perennial herb. Upon hydrogenation with a metal catalyst, α-terpinene reacts with tw...

Q: When conducted in a chiral environment (for example, by using

When conducted in a chiral environment (for example, by using a chiral catalyst or adding a chiral auxiliary), an asymmetric aldol reaction can occur that favors the production of a single stereoisome...

Q: Compound A (C7H10) exhibits a λmax of 230 nm in

Compound A (C7H10) exhibits a λmax of 230 nm in its UV absorption spectrum. Upon hydrogenation with a metal catalyst, compound A will react with two equivalents of hydrogen gas. Ozonolysi...

Q: Draw all possible conjugated dienes with the molecular formula C6H10, taking

Draw all possible conjugated dienes with the molecular formula C6H10, taking special care not to draw the same compound twice.

Q: Starting with 1,3-butadiene as your only source of

Starting with 1,3-butadiene as your only source of carbon atoms and using any other reagents of your choice, design a synthesis of the following compound:

Q: Would you expect nitroethylene to be more or less reactive than ethylene

Would you expect nitroethylene to be more or less reactive than ethylene in a Diels–Alder reaction? (Hint: Draw the resonance structures of nitroethylene.)

Q: Propose a plausible mechanism for the following transformation. (Hint:

Propose a plausible mechanism for the following transformation. (Hint: Only two sequential pericyclic reactions are required.)