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Why is reaction scalability important in organic chemistry?

In my synthetic lab work, I can achieve great yields on a milligram scale, but the process often fails miserably when we try to produce grams.
This seems to be a critical, yet sometimes overlooked, step between discovery and application.
I'm trying to understand why scaling is treated as such a fundamental challenge in organic chemistry.

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By Batte Answered 5 years ago

From my work in both academic and industrial settings, I've seen brilliant reactions fail at scale due to practical realities. Scalability is important because it's the bridge between discovery and utility. On a small scale, heat transfer, mixing efficiency, and byproduct accumulation are negligible. When you scale up, these become dominant factors affecting yield, safety, and cost. I would recommend designing reactions with scalability in mind early on, as it dictates whether a synthesis can ever be practically useful for manufacturing or larger studies.

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