Amino acid protecting groups

Details Amino acid protecting groups Amino acid protecting groups

1989-12-05

1992-03-31

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

556416, 556419, 556429, 556440, 556449, 558248, 558282, 560 27, 560 29, 560 32, 560148, 560155, 560159, 560160, 560163, 568808, 530331, 530337, 530344, 530345, 546102, 546104, 548110, 548253, 548259, 5482661, 5482682, 548336, 548341, 548406, 548474, 548525, 548547, 549 4, 549 26, 549214, 552 4, 552 7, C07D31182

Patent

active

051010593

ABSTRACT:
This invention relates to compounds of the formula a compound of the formula ##STR1## wherein X is O, CR.sub.7 R.sub.8, S or NR.sub.9 wherein R.sub.7 and R.sub.8 are independently hydrogen, or lower alkyl, and R.sub.9 is lower alkyl;

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Simmonds et al., Chemical Abstracts, vol. 92 (1980), 22393g.

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