Proton Pump Inhibitors
Cimetidine
Halloween
H1 and H2 Receptors
Important Compounds
100

How are the prodrug forms of PPIs activated?

What is by the acidic environment of the stomach?

100

What group was used to replace the thiourea group in cimetidine to reduce toxicity?

What is the cyanoguanidine group?

100

Which witch? This Sanderson sister can be identified by her bright red hair and iconic green clothing.

Who is Winifred "Winnie" Sanderson?

100

Hor H2? Which receptor is responsible for the production of gastric acid?

What is an Hreceptor?

100

For 4-methylhistamine, one conformation was highly favored, what concept is responsible for this? 

What is steric hindrance?

200

Give one reason PPIs are replacing Hantagonists

What is their superior efficacy in reducing stomach acid, their effectiveness in treating ulcers caused by NSAIDs, or their ability to treat H. pylori infections?

200

What was the brand name under which cimetidine was marketed?

What is Tagament?

200

What dance was allegedly a "graveyard smash" that "caught on in a flash"?

What is The Monster Mash?

200

Hor H2? Which type of receptor was not believed to exist until the 1970s?

What is the H2 receptor?

200

What compound's discovery marked the first histamine antagonist with partial agonist activity?

What is N-guanylhistamine?

300

What do PPIs do in parietal cells?

What is they irreversibly inhibit the H+/K+ gradient in parietal cells, blocking the final step in gastric acid secretion

300

What was the major issue with burimamide as an Hreceptor antagonist?

What is its lack of potency?

300

Which U.S president told a group of schoolkids that the white house was haunted by the ghost of Abraham Lincoln?

Who is George H. W. Bush?

300

What type of histamine receptor contains only two binding sites?

What is a H1 receptor?

300

What functional group was associated with toxic effects in the creation of metiamide?

What is a thiourea group?

400

Along with PPIs, what two other things are used in the treatment of H. pylori?

What are two antibiotics?

400

Cimetidine was found to block the effects of what stimulator of gastric acid release?

What is pentagastrin?

400

According to the Sheb Wooley song lyric, this creature is a “One-eyed, one-horned, flyin’…” what?

What is a "purple people eater"?

400

What type of bonding is associated with Hreceptors?

What is hydrogen bonding?

400

In the production of burimamide from SKF 91581, scientists added a methyl group and what other structural feature?

What is 4-carbon linker?

500

For an effective PPI, the drugs need to be stable enough to survive the journey in the blood stream, but reactive enough to...

What is undergo acid-catalyzed interconversion in the parietal cell?

500

Ranitidine differed structurally from cimetidine due its furan ring and the addition of what functional group?

What is a nitrokenteneaminal group?

500

Approximately how much money did Americans spend on candy in 2023?

What is 3.6 billion?

500

From the SAR studies, it was found that H2 antagonists required a positively charged nitrogen, an amidine unit in the ring, and what other structural feature?

What is a flexible chain connecting the ring and cation?

500

When beginning with no lead or target compounds, what compound was used by scientists to begin the development of Hantagonists?

What is histamine?