US PATENT SUBCLASS 530 / 336
.~.~.~ Of side chain or sulfur containing group

Current as of: June, 1999
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530 /   HD   CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF

300  DF  PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES {29}
333  DF  .~ Synthesis of peptides {4}
335  DF  .~.~ Protecting or removing protective groups, e.g., carboxyl group protection, etc. {2}
336.~.~.~ Of side chain or sulfur containing group

DEFINITION

Classification: 530/336

Of side chain or sulfur containing group:

(under subclass 335) Processes in which the addition or removal of the protective groups is to or from a side or a sulfur containing group.

(1) Note. Protective groups of this type include -S-benzyl, -O-benzyl, and -O-t-butyl.