Tetrahedron Letters p. 3707 - 3710 (1994)
Update date:2022-09-26
Topics:
Dumont, Arnaud
Jacques, Vincent
Qixiu, Peng
Desreux, Jean F.
The reaction of 1,4,7,10-tetraazacyclododecane with p-toluenesulfonyl chloride in pyridine or with diethyl phosphite and CCl4 in a water/CH2Cl2 mixture yields selectively the 1,7-diprotected regioisomer.The 1,7-diprotected tetraaza cycles are interesting
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Doi:10.1039/c3tb21547d
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(1994)Doi:10.1039/c3cc48590k
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