EIN NEUES, EINFACHES VERFAHREN ZUR DARSTELLUNG VON AMMONIUM- UND PHOSPHONIUM-BETAINEN DER QUADRATSAEURE

DOI: 10.1016/S0040-4039(01)81470-2

Source and publish data:

Tetrahedron Letters p. 4475 - 4478 (1984)

Update date:2022-07-29

Topics:

Authors:

Schmidt, Arthur H.

Becker, Ulla

Aimene, Amokrane

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Article abstract of DOI:10.1016/S0040-4039(01)81470-2

Squaric acid 1 reacts with equimolar amounts of tertiary amines 7 and tertiary phosphines 8 in acetic anhydride to afford the monocondensationproducts 4 and 5, respectively.

Full text of DOI:10.1016/S0040-4039(01)81470-2

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