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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1450218Generated: October 27, 2026

Tetraethyl vinylidene phosphonate → [4-Oxo-pentylidene]bisphosphonic acid tetraethyl ester

https://huagongshe.com/reaction/1450218

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetraethyl vinylidene phosphonateHCID 11022954—
ReactantN-(6-methoxybenzothiazol-2-yl)-3-oxo-3-phenylpropanamideHCID 19975336—
Product[4-Oxo-pentylidene]bisphosphonic acid tetraethyl esterHCID 53915615—

Reaction Steps

Ethenylidenebisphosphonic acid tetraethyl ester (I) and acetone (II), MS (m/e) 358, 316, 301, 288, 261, 233, 221, 179 and 152; CMR (CDCl3) 207.5, 62.4, 41.4, 34.8, 19.4 and 16 δ.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05602115
Source datasetuspto-grants-1997_02
ORD IDord-6a513d08ff8445c2a20307f075216528
Source noteuspto-grants-1997_02