α-SUBSTITUIERTE PHOSPHONATE. 701 UNTERSUCHUNGEN ÜBER METHYLTHIOMETHANBISPHOSPHORYLDERIVATE

α-SUBSTITUIERTE PHOSPHONATE. 701 UNTERSUCHUNGEN ÜBER METHYLTHIOMETHANBISPHOSPHORYLDERIVATE

Thiophilic reaction of ethyl diphenylphosphinite with phosphonodithioformate 1 gave the ylid 9, which could be transformed with HCl to the bisphosphorylcompound 10. Chlorine reacted with 9 to the chlorinated bisphosphorylderivative 12b, with the ylid 2 analogously 12a was formed. With BTMS/H 2 O 10...

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Veröffentlicht in:Phosphorus, sulfur, and silicon and the related elements sulfur, and silicon and the related elements, 1994-01, Vol.86 (1-4), p.169-175
Hauptverfasser: Costisella, Burkhard, Ozegowski, Sigrid, Gross, Hans
Format: Artikel
Sprache:eng
Schlagworte:
alkoxyphosphoniumylid
Horner-reaction
Methylthiomethane-bisphosphonic acid
methylthiovinylphosphonate
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Zusammenfassung:Thiophilic reaction of ethyl diphenylphosphinite with phosphonodithioformate 1 gave the ylid 9, which could be transformed with HCl to the bisphosphorylcompound 10. Chlorine reacted with 9 to the chlorinated bisphosphorylderivative 12b, with the ylid 2 analogously 12a was formed. With BTMS/H 2 O 10 could be dealkylated to the acid 11b, the bisphosphonate 3 in similar way to 11a. Using the Hornermethod 3 was transformed to the methylthiovinylphosphonates 17, which could be converted to the acids 18 using the BTMS/H 2 O-method.
ISSN:1042-6507
1563-5325
DOI:10.1080/10426509408018400