136185-85-8

Basic information

• Product Name: (2S,6R)-N,N-bis(2-chloroethyl)-6-phenyl-1,3,2-oxazaphosphinan-2-amine 2-oxide
• CAS NO: 136185-85-8
• Molecular Formula: C₁₃H₁₉Cl₂N₂O₂P
• Molecular Weight: 337.1819
• Mol File: 136185-85-8.mol

Chemical Properties

• Boiling Point: 440.161°C at 760 mmHg
• Flash Point: 220.002°C
• Density: 1.317g/cm³
• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.56
• CAS DataBase Reference: (2S,6R)-N,N-bis(2-chloroethyl)-6-phenyl-1,3,2-oxazaphosphinan-2-amine 2-oxide(CAS DataBase Reference)
• NIST Chemistry Reference: (2S,6R)-N,N-bis(2-chloroethyl)-6-phenyl-1,3,2-oxazaphosphinan-2-amine 2-oxide(136185-85-8)
• EPA Substance Registry System: (2S,6R)-N,N-bis(2-chloroethyl)-6-phenyl-1,3,2-oxazaphosphinan-2-amine 2-oxide(136185-85-8)

Safety Data

• Hazardous Substances Data: 136185-85-8(Hazardous Substances Data)

Upstream product

• 127-88-8 N,N-di(2-chloroethyl)amidophosphoric acid dichloride 
• 5053-63-4 3-amino-1-phenylpropan-1-ol 

Relevant articles and documents

Synthesis and Antitumor Properties of Activated Cyclophosphamide Analogues

A series of 5- and 6-substituted cyclophosphamide analogues has been prepared, and their 31P NMR kinetics of phosphoramide mustard (PDA) release and in vitro and in vivo cytotoxicity have been evaluated. cis-4-Hydroxy-5-methoxycyclophosphamide equilibrated very slowly and to a minor extent with the ring-opened aldophosphamide analogues in aqueous buffer; release of PDA was observed to a minor extent and only at high (1 M) buffer concentrations.This analogue was essentially inactive in vitro against L1210 and P388 leukemia cells. 6-Phenylcyclophosphamide and its 4-hydroperoxy derivative were potent inhibitors of blood acetylcholinesterase and were lethal at therapeutic doses in mice.In contrast, 4-hydroperoxy-6-(4-pyridyl)cyclophosphamide did not inhibit acetylcholinesterase and showed significant antitumor activity in vitro and in vivo against both wild-type and cyclophosphamide-resistant L1210 leukemia.The 4-hydroperoxy-6-arylcyclophosphamides were generally active in vitro against both wild-type and cyclophosphamide-resistant L1210 and P388 cells, and several analogues showed significant activity in vivo.Suprisingly, there was no correlation between antitumor activity in vitro and the rate of PDA release in aqueous buffer.Several compounds that showed essentially no release of PDA in aqueous buffer over several hours were highly cytotoxic to leukemia following a 1-h exposure in vitro.These results show that activated cyclophosphamide analogues substituted at the 6-position are not-cross-resistant in these leukemia cell lines, and that a specific intracellular activation mechanism may be catalyzing PDA release in these analogues.