Chemistry:EA-1699
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EA-1699, also known as IIVX,[1] is an extremely toxic synthetic chemical compound in the organophosphorus class, specifically, a thiophosphonate. It was derived from the more widely known nerve agent VX and can be seen as the dimethyl analogue of it.[1]
Indicators of EA-1699 have been detected at a Syrian chemical weapons production facility.[2][3]
Synthesis
The synthesis of EA-1699 is analogous to that of VX with the N,N-diisopropylaminoethanol being replaced with N,N-dimethylaminoethanol.[1]
The B in the following diagram denotes a base with diethylaniline being described as a suitable one in literature.[1]

References
- ↑ 1.0 1.1 1.2 1.3 Ledgard, Jared B. (2006). The Laboratory History of Chemical Warfare Agents. Paranoid Publications Group. p. 227. ISBN 978-1-4116-9432-3.
- ↑ "Statement by H.E. Ambassador SHINO Mitsuko, Deputy Permanent Representative of Japan to the United Nations, at the Security Council Briefing on "the situation in the Middle East (Syria chemical weapons)"". https://www.un.emb-japan.go.jp/itpr_en/shino090524.html.
- ↑ "Two New Outstanding Issues with Syria's Chemical Weapon Declarations 'Extremely Worrying', United Nations Official Tells Security Council". September 5, 2024. https://press.un.org/en/2024/sc15811.doc.htm.
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