I can't find information regarding which amino acids (say the proteinogenic ones or in general) can be totally synthesized. Is there a reference?

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    $\begingroup$ Synthesized in the body? Synthesized chemically? Which one? $\endgroup$ – Nilay Ghosh Sep 12 '20 at 14:16
  • $\begingroup$ Also, amino acid is a general concept such as $\alpha,$ $\beta,$ etc. Thus question can be categorized as too broad. $\endgroup$ – Mathew Mahindaratne Sep 12 '20 at 15:22
  • $\begingroup$ @MathewMahindaratne proteinogenic amino acids are all $\alpha$ $\endgroup$ – Nguyen Sep 12 '20 at 15:35
  • $\begingroup$ Glycine can be synthesized from acetic acid. First acetic acid can be chlorinated by reacting with chlorine gas. Then the chloracetic acid reacts with ammonium carbonate. This produces ammonium chloracetate, that can be transformed into amino acetic acid (glycine). See the details the procedure in typing Gycine Synthesis in Google. $\endgroup$ – Maurice Sep 12 '20 at 16:12
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    $\begingroup$ All of them can be accessed synthetically $\endgroup$ – Waylander Sep 12 '20 at 17:27