"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 6156744 | DT-diaphorase directed anti-tumor agents The present invention relates to a novel benzoquinone, 2,5-diaziridinyl-3-(hydroxymethyl)-6-methyl-1,4-benzoquinone and its esters. The compounds can be used to treat tumors exhibiting elevated levels of the enzyme DT-diaphorase.... | 12/05/2000 |
| 4806531 | 2,3-bis(aziridinyl)-1,4-naphthoquinone sulfonate derivatives having antineoplastic activity The compounds of the formula: ##STR1## wherein R is selected from the group consisting of: (a) a substituent having the formula: ##STR2## wherein R1, R2 and R3 are each independently selected from the group... | 02/21/1989 |
| 4370323 | 2-Cyanoaziridinyl-(1)-2-substituted-aziridinyl-(1)-methanes A 2-cyanoaziridinyl-(1)-2-substituted-aziridinyl-(1)-methane ##STR1## wherein R is a nitrile or carbamoyl group, and R1 and R2 each independently is a hydrogen atom, an aliphatic hydrocarbon radical containing up to 10 carbon atoms o... | 01/25/1983 |
| 4337196 | Method for producing 3,6-bis(carboethoxyamino)-2,5-diaziridinyl-1,4-benzoquinone A method is described of preparing a diaziridinyl diaminobenzoquinone-N, N'-dicarboxylate compound selected from dialkyl, di(arylalkyl), or diphenyl diaminobenzoquinone-N, N'-dicarboxylates, said method comprising: reacting a diaminohydroquinone of the formula... | 06/29/1982 |
| 4233215 | Aziridinyl quinone antitumor agents The use of aziridinyl quinones as antitumor agents against transplanted tumors in mice is disclosed. A compound which has been found to be particularly effective is the compound 2,5-diaziridinyl-3,6-bis (carboethoxyamino)-1,4-benzoquinone. Treatment is de... | 11/11/1980 |
| 4152401 | Chelated lithium aluminum compounds Chelated lithium aluminum compounds are prepared by mixing a lithium aluminum compound such as a lithium aluminum hydride with a chelating agent wherein the agent contains at least one nitrogen atom. The chelating agent is a tertiary polyamine or aminoeth... | 05/01/1979 |