Tagged Questions

2
votes
3answers
58 views

What’s your glassware cleaning procedure?

A long time ago, when I was still in organic chemistry, I practically found it better to not try to get the glassware as clean as possible, but do be fine with 99.9% clean (I never …
0
votes
1answer
27 views

Scale-up parameters

By what maximum factor is it safe to scale up a reaction? I've heard 4X and 10X -- what do you think? For example, let's say you're moving from bench-scale (max 12L RBF) to kilo- …
1
vote
1answer
90 views

Alcohol benzylation under neutral conditions?

What's a high-yielding alcohol benzylation procedure that works under neutral conditions?
2
votes
1answer
65 views

What’s your favorite preparative organic reaction?

Please supply reaction scheme images for your favorite reactions. I need some good examples to illustrate (using Reaxys) how a given functionality is converted into another functio …
0
votes
1answer
61 views

Synthesis of 2,3,6,7-tetrabromoanthracene?

What's a short route (4 steps or less) to 2,3,6,7-tetrabromoanthracene:
2
votes
2answers
77 views

What are good online resources for synthetic practices and “collective wisdom?”

Besides this site (which is more interactive), I'm aware of Not Voodoo. Are there any other good sources for beginning synthetic students?
1
vote
0answers
33 views

Synthesis of this oxadiazolotriazinone carboxylic acid?

Innocentive are offering a $5,000 reward to anyone who can provide a supply of this oxadiazolotriazinone by Nov. 29, 2009: What would be one workable route to this compound?