Exam 2 Review - Alkynes, Alcohols, Ethers, Diels Alder, Benzene, Aldehydes and Ketones

Flashcards for Exam 2 review, covering alkynes, alcohols, ethers, Diels-Alder reaction, benzene derivatives, aldehydes, and ketones.

What reagents are used in the reaction of alkynes to form alkenes with a cis configuration?

H2, Lindlar's catalyst

What reagents are used in the reaction of alkynes to form alkenes with a trans configuration?

Na, NH3

What reagents can convert an alkene to an alkane?

H2, Pt, Pd, or Ni

What are the conditions for acidic cleavage of an ether?

HI

What reagents convert an alcohol to an alkyl halide?

HX or SOCl2/py or PBr3

What reagents convert an alkyl halide to an alcohol via SN2?

NaOH

What reagents can be used to oxidize a primary alcohol to a carboxylic acid?

H2CrO4

What reagents can be used to oxidize a primary alcohol to an aldehyde?

PCC, DMP, or Swern

What reagents can be used to oxidize a secondary alcohol to a ketone?

H2CrO4, PCC, DMP, or Swern

What reagents can be used to convert a Ketone/aldehyde to an alcohol?

1) LIAIH4, 2) H3O+ or NaBH4, MeOH

What reagents are used to convert an alkene to an epoxide?

MCPBA

What is a characteristic of SN2 reactions on epoxides with strong nucleophiles?

Attack occurs at the less substituted carbon.

What is the stereochemical relationship between endo and exo products in a Diels-Alder reaction?

They are not mirror images.

In a Diels-Alder reaction, which product is the kinetic product?

Endo product

In a Diels-Alder reaction, which product is the thermodynamic product?

Exo product

What conditions favor the formation of the endo product in a Diels-Alder reaction?

Lower temperatures

What are the reagents for Friedel-Crafts acylation?

AlCl3, acyl chloride

What reagent is used for radical bromination?

hv, Br2

What reagents convert an aldehyde or ketone to an alcohol?

1) RMgX, 2) H3O+

What reagents convert an aldehyde or ketone to an alkane?

H2, Raney Ni

What reagents can be used to form a Wittig reagent?

H2C=PPh3